 15. Solve 5*k + 4*r = -q, 3*k + a = -3*r - 17 for k.
-4
Suppose 17*k - 16*k = 0. Solve 0 = s + 2*q + 3, 0 = -q - k*q + 1 for s.
-5
Suppose -5*o - z + 6*z + 30 = 0, -2*o = z. Solve -q = o*q - 2*r - 8, -5*r = 4*q - 3 for q.
2
Suppose 3*x - 5 - 10 = 0. Let b = -16 - -11. Let k be (4/b)/(8/(-220)). Solve 0 = 2*j + 5*d + 26 - 8, -x*d - k = 3*j for j.
-4
Let l be ((-54)/(-21))/((-2)/(-14)). Solve o + 2*z = 13, -3*z + 0*z + l = o for o.
3
Let k(w) = 2*w + 1. Let y be k(2). Suppose -14 = -5*m + 3*u + 2, 3*m + 2*u - 2 = 0. Solve -2*v = p - m, -2*p - 1 = -y for v.
0
Let z(q) = -q**2 + 2*q + 3. Let n be z(2). Solve -v - h + 8 = n*v, 8 = -4*v - 5*h for v.
3
Let o be 27/6*(-4)/3. Let q(r) = r**2 + 5*r + 1. Let d be q(o). Solve 2*x = y - d, 2*x + 3*y = 8*y - 19 for x.
-2
Suppose 3*r + 23 = 4*i, i - 2*r = 8 + 4. Suppose -3*h + 82 = -5*g + 23, 0 = -5*h - i*g + 88. Solve o = 4*o - 3*s + h, -2*o - 16 = -3*s for o.
-2
Let d be (5 - 0)*(7 + -6). Solve -3*w = 3*j + 16 + 2, d*j = 4*w - 21 for w.
-1
Suppose 2*m + 2*m - 164 = 0. Suppose k = -3*k - 5*f + m, -3*k + 22 = 2*f. Solve 4 = -4*u - 0*u, -3*s = -k*u - 19 for s.
5
Suppose 0 = 2*h - 3*a - 10, 6*h = h + a + 12. Suppose h*z - 66 = -5*k, 52 = 4*k + z + 1. Solve 5*d = -b - k, 0*d - 2*d = -3*b - 2 for b.
-2
Let d(p) = 2*p - 38. Let l be d(20). Solve -a = -x + 2*a - 2, -2*x = -l*a - 4 for x.
4
Let q(m) = m + 3. Let s be q(0). Let f = 8 - 5. Let z be (1*3)/(s/f). Solve 2*c + c = -3*n - 21, 3*n - 3*c = -z for n.
-4
Suppose 2*j + 0*j = 5*c + 32, -5*c = -5*j + 95. Let r = 1 - 0. Let g be 2 - r*(-1 + 0). Solve -4*s - 3*a = -8*a + 8, -g*s - 3*a + j = 0 for s.
3
Let m(v) = v + 12. Let f be m(-8). Solve f*h = 2*r + 12, h + 2*h = 4*r + 19 for h.
1
Suppose 0 = -3*x + x. Let z be 0/(0 + 2 + x). Solve 2*r + z*s + 2*s + 4 = 0, -5*s - 7 = 4*r for r.
-3
Suppose v + 15 = 5*f, 4*f - 4 - 8 = 5*v. Suppose 2*j - 7*j - x + 55 = v, -3*x + 22 = 2*j. Solve -4*z - g = 3 - j, -5*z + 10 = 5*g for z.
2
Suppose 5*w - 4*y - 101 = 0, 0 = -2*w + w - 2*y + 9. Let g be (-116)/(-30) + 172/(-60) + 3. Solve -4*q - 4 = 2*c, -g*q + 3*c = -3 + w for q.
-2
Let k(n) = n**2 - 7*n. Let v be k(7). Solve 3*q + 3*z = 6, -3*q = 2*z - v*z - 3 for q.
-1
Let k(q) = -q**3 - 5*q**2 + 6*q. Let l be k(-6). Suppose l = 5*m - 5*r - 10, -m - 2*r + 4 = -1. Solve -2*p + 4 = m*y + 3*p, -2 = -y - 2*p for y.
-2
Suppose -2*p - 8 = -3*q - 3, -4*q - 5 = -5*p. Suppose -3*h - 3 = -5*a, -a - q = 4*a + 5*h. Solve 0 = 5*t - r - 9, -7 = -4*t - a*t + r for t.
2
Let c = 4 + -1. Let b be 7 - (c + 6)/3. Let h(y) = -2*y**3 - 4*y**2 - 2*y + 2. Let n be h(-2). Solve f = -2*s + b*s - n, 0 = 2*s + 4*f + 4 for s.
2
Suppose -58 - 20 = -3*o. Suppose k = 1 + 1, -4*k = 3*s - o. Let w(z) = -z + 8. Let u be w(s). Solve 0 = n, -u*i - 2*i + 5*n + 16 = 0 for i.
4
Let v be (-4)/(-3)*15/10. Suppose x = -0*x + 3. Suppose -x*t - 4 = v*k, 0*k + 2*k = 3*t + 8. Solve -k = 2*w - 3*o, 4*w + 11 = 4*o - o for w.
-5
Let l = -299 - -301. Let p(g) = 10*g**2 - 2*g - 1. Let y be p(-1). Solve -a - y = l*a + 2*v, 2*a + 5 = v for a.
-3
Let l = -84 - -88. Solve l*c - 2*p = 0, -3*c + 2*c + 2 = -p for c.
-2
Let v(n) = n**3 + 6*n**2 - n + 2. Let c be v(-5). Solve 5*p + 20 = 0, 3*p - c = 4*m + 7*p for m.
-4
Suppose -q = -3*q + 6. Suppose -t + 15 = 4*t. Solve -t*j - g + 4 = j, -g = q*j - 3 for j.
1
Let k = 6 - 6. Let j be k - 2 - -4 - -10. Solve -3*q = q + p - j, -5*q + p + 24 = 0 for q.
4
Suppose -2*k + 21 = 5*d, -3*k - 2*d + 34 = k. Suppose h + 11 = 5*t, 2*t + h - 10 = -0*t. Solve 0 = t*j - 2*r + 2, k*r - 3*r = -5*j + 30 for j.
2
Let q(x) = 4*x + 47. Let c be q(-11). Solve 0 = -8*d + 3*d - c*z - 11, 4*d - 3*z - 2 = 0 for d.
-1
Suppose 0 = 2*v - 0*v - 6, -2*w + 2*v = 14. Let d be 16/2*w/(-16). Solve s = -3*y - 4, -4*y + 5*s - 27 = d*s for y.
-3
Let y(k) = k + 7. Let w be y(-7). Let n = 5 + w. Solve -n*t + 5*u + 27 = u, -2*t - 5*u = 9 for t.
3
Let m(d) = 3*d - 4. Let q(v) = -4*v + 4. Let b(f) = -5*m(f) - 4*q(f). Let p be b(0). Let r = 2 + 1. Solve 3 = 2*a + r*y, a = 6*a - p*y + 4 for a.
0
Let a = -10 - -15. Suppose 0 = 4*c - 3*c - a. Solve 3 = 2*y - 0*y + c*o, 0 = -y - 2*o + 1 for y.
-1
Suppose 0 = 5*y - 3 - 57. Suppose 0 = -5*c - 2 + y. Solve 4*t = -c*x + 10, 7*x - 4*x + 2*t = 7 for x.
1
Let x(d) = -d**2 - 6*d - 6. Let o be x(-4). Suppose 0*h + 11 = 2*t + h, -15 = -2*t - 5*h. Solve o*b - t*p + 14 = 0, 3*b - 2*p = -0*p + 1 for b.
3
Let o(p) = 5*p**2 - 2*p - 1. Let l be o(-1). Let w = 8 - l. Solve 4*i + 6*b = w*b + 16, -4 = -i - 4*b for i.
4
Let h(b) = b**3 - 11*b**2 - 13*b + 12. Let m be h(12). Solve y = -4*k - 24, m = -5*k + 4*k + 5*y + 15 for k.
-5
Let i = 2 + 1. Solve -2*j + 15 = 5*q - 6, 2*j - i = q for j.
3
Suppose -4*y - y - 25 = r, -5*y = 5*r + 25. Let g(i) = i**3 - i**2 + 3. Let h be g(r). Solve -4*k = 3*c + h, 5*k = -0*k + 15 for c.
-5
Let l be 1 + (-4)/(-1) - 1. Let w = 0 + l. Suppose -w*x + 76 = 28. Solve -6*k - x = -2*f - 2*k, -f - 3*k - 14 = 0 for f.
-2
Let v be ((-40)/15 + 2)*-3. Solve -5*j = -w + 15, 0*j = -2*w + 3*j + v for w.
-5
Suppose 5*q = 5*c - 62 + 12, 0 = 2*q + 8. Let p be (-9)/6*c/(-9). Let s be 2*1/p + 2. Solve -s*i - 4 = 0, -u - 5*i = -0*u + 7 for u.
-2
Suppose -3*g + 4 = -v, -g + 6 = -3*v + 5*v. Solve 0 = p + w, v*p - 5*p + 4*w + 21 = 0 for p.
3
Let w = 46 + -77. Let i = -16 - w. Suppose q + 3*j = i, 4*j - 20 = -j. Solve 3 = q*m - 5*z, -m + 1 = -2*z - 3*z for m.
1
Suppose 6*y - 4*y = 24. Suppose 5*q + 2 - y = 0. Solve m + 3 = 3*f, 1 = f - q*m + 5*m for f.
1
Let x(w) = -w**2 - 14*w - 21. Let c be x(-12). Solve -c*z - 11 = -4*k, -5*z = -3*k + 21 + 1 for z.
-5
Let q(j) = -j**2 - 7*j - 4. Let y be q(-6). Let r be y/(-4) + 51/2. Solve 4*a + 26 + 9 = -3*b, 2*b + 3*a + r = 0 for b.
-5
Suppose -3*g - 27 = -5*l, -11 = -3*l + 5*g + 2. Let v = -3 + l. Suppose n = v*n. Solve n = -3*p + 2*p - 4*u - 13, -p - 2*u = 5 for p.
3
Suppose -3*a - 12 = 0, -x + a + 2*a + 15 = 0. Suppose -5*i + k + 21 = 0, -3 + 19 = x*i - 4*k. Solve z - i*z + 6 = -l, z = l for z.
3
Let l be (-1 - -1)/((-1)/1). Suppose -2*w - 2*w = l. Suppose p - 7*y - 9 = -3*y, w = 2*p + y. Solve 3*k - 4*j = 3, 5*k - 6 = -3*j - p for k.
1
Let b(i) = -i**3 - 9*i**2 - i - 4. Let y be b(-9). Solve -7*c + 2*c - 3*r + 11 = 0, -y*c = -2*r - 1 for c.
1
Suppose 3*u - 7 = b - 2, 3*u - 5*b = -11. Suppose 10 = 2*l - 7*l + 4*d, -u*d = 5*l - 25. Solve -3*y + 13 = -z, y - l = 1 for z.
-4
Suppose 4*p - 3 = -2*x + 11, 0 = 5*x - 4*p - 21. Solve -l + 5*s = -13, 3*s - 5*s - 19 = -x*l for l.
3
Suppose 2*w - 2*p - 25 = -w, 0 = -3*w - 3*p. Solve 6*l = 4*v + 2*l - 4, -w = 2*v + 5*l for v.
0
Let c(g) = g**2 + 2*g - 5. Let b be c(-4). Let m be 4*(0 + b/4). Let w(p) = -2*p**2 - 10*p + 3. Let o be w(-2). Solve 5*z - j = 4*j + o, -j = m*z + 7 for z.
-1
Let h = -111 + 112. Solve -r = x - 3*r + h, 4*r = 3*x + 7 for x.
-5
Let t(s) = -6*s - 2. Let y be t(-1). Suppose 9 = -k + 3*w, -y*k - w + 15 = 4*w. Suppose 0 = -3*d - 0*d + 12. Solve -d*r + 5*b = -8, 4*r + k*b = b - 8 for r.
-3
Suppose -2*f - 1 = -19. Let u be (-4)/(32/(-50)) - 4/16. Solve u = 3*m - f, 3*m + 5 = -5*s for s.
-4
Suppose 5*x - 20 = 2*o, -1 = 4*x - o - 14. Suppose -x - 13 = -3*g. Solve -g*m = i - 0*i - 21, m - 25 = 5*i for m.
5
Suppose 9 = 4*l - l, 11 = -2*i + 5*l. Solve -5*w + k + 5 = -5, 4*k + 18 = -i*w for w.
1
Let l = -3 - -11. Suppose -2*p = -2*n - l, -p - n + 6 = 2. Solve -k + p*r = 1 - 25, -4*k + r + 21 = 0 for k.
4
Suppose 0 = 5*g + 21 - 26. Solve 32 = -3*f + 5*x, g = -f + 3*x - 15 for f.
-4
Let z = 30 + -26. Solve 3 = 5*k - z*x, 0*k - 2*k = -3*x + 3 for k.
3
Suppose 3*r + 3*w = 24, -2*r + 11 + 0 = w. Let f = r - 3. Solve 0 = -4*q + d - 10, -6*q + 3*q - 3*d - 15 = f for q.
-3
Suppose 3*o = 12 + 33. Solve 0 = 5*k - o, 2*z - 3 = k - 0*k for z.
3
Suppose j + 1 = o, 0 = 3*o - 5*j + 4 - 3. Solve 5*g = o*n - 21 - 4, -n + 5*g + 25 = 0 for n.
0
Let t(u) = u**2 - 6*u + 2. Suppose -2*d + 4*a - 30 = -7*d, 2*d - 12 = 3*a. Let r be t(d). Let i = 0 + r. Solve -7 = -4*b - 3*n, -i*n = -5 - 5 for b.
-2
Let h = 0 - -2. Let a be 9*(-2 + 14/6). Suppose -a*m + h*p + 18 = 0, 4*m + p - 24 = -4*p. Solve -3 + 1 = z, 0 = r - 4*z - m for r.
-2
Let f = 27 + -5. Solve 4*o - f = -3*p + p, o = 4*p + 1 for o.
5
Let l(i) = i + 6. Let a be l(-12). Let o(k) = -k - 2. Let r be o(a). Solve -q = -0*q - 2*h + 12, 3*q + 2*h = r for q.
-2
Let k be (2 - 1)