15. Let y = q - -3. Solve 3*h = -3*r, 5*r + y*h + 28 = 2*h for r.
-4
Suppose 184*o - 20 = 179*o. Solve o*i - 2*s + 16 = 0, 11 - 3 = 4*s for i.
-3
Suppose 4*w + 2 = 2*y, -3*y + 8*y = -4*w + 5. Solve -m + 2*m - 3*j - 7 = w, -3*j = -2*m + 8 for m.
1
Let d be (3 + -5)/2 + 19. Suppose 3*k - 2*k - d = -4*l, -8 = -l - 2*k. Solve -l*g - 21 = -1, 0 = n - 3*g - 15 for n.
0
Suppose 3*g = 12 - 0. Suppose 3*v + w - 4 = 0, -g*v + 2 = 3*w + 5. Solve 0 = v*d - 2*s + 5, -5*d - 40 = -4*s + 7*s for d.
-5
Suppose -z - 5 = -0, 0 = -5*b + 3*z + 40. Solve -2*o - 4 = 2*l - 3*o, 3*l - b*o = -6 for l.
-2
Let c(a) = -a**3 + 8*a**2 - 7*a + 3. Let p be c(7). Suppose -b = -p*b + 8. Solve z + 14 = -0*z - 4*t, -2*t - 16 = -b*z for z.
2
Suppose 0 = -4*t - 266 + 306. Solve -12 = 3*d + d, g - t = 5*d for g.
-5
Let b(g) = 3*g + g**2 - 7 + 1 + 7*g. Let y be b(-11). Suppose -4*u + 0*u + 106 = 5*o, -y*o + 10 = 0. Solve -a - 23 = 5*w, 0*a + 2*a - u = 4*w for w.
-5
Let n = 2 + 10. Let c = -5 + 1. Let a be (14 + -4)*(-2)/c. Solve -a*p = 0, -3*y - n = 3*p - 8*p for y.
-4
Suppose 12 = f - 2*r - 3*r, 5*f - r - 12 = 0. Suppose -2*g - 8 = f. Let p be 2/4 + g/(-2). Solve -w = -v - 3, 0 = -p*v - w + 3*w - 6 for v.
0
Suppose 0*c + 3*c + 4*v - 15 = 0, 0 = 2*v. Suppose -8 = -c*i + 17. Suppose -i*j + 95 - 20 = 0. Solve 5*f = -5*b + j, 4*b - b - 5*f = -31 for b.
-2
Let s(n) = -2*n**2 - n - 2. Let k(u) = 3*u**2 + u + 3. Let z(j) = 3*k(j) + 5*s(j). Let o be z(-1). Solve q + 3*g + 5 = o, -q = -3*g + 1 - 8 for q.
1
Let m = 20 + -17. Solve 0 = -s + 3*p + 2, 0 = m*s - 2*p - 0*p + 8 for s.
-4
Let a(u) = -4*u - 27. Let z be a(-8). Let r be (3/(-4))/((-2)/8). Solve -22 = -z*j - r*o, o - 9 = -4*j + 3 for j.
2
Let u(x) = -x**2 - 6*x - 3. Let g = 6 + -10. Let k be u(g). Let v be 1/(-2) - (-7)/2. Solve 3*p - 4*y = v, -5*p = y + y - k for p.
1
Suppose -d - 14 = 2*k - 0*k, -2*k - 4*d - 26 = 0. Let s = k + 10. Solve 2*c - c - 16 = 3*p, 0 = -s*p - 2*c - 23 for p.
-5
Let m = 9 - 17. Let p = m - -11. Solve 3*q = -p, -6*q = -5*b - 4*q + 12 for b.
2
Let c = -47 + 49. Solve 6*a - d = a + 22, 0 = c*d - 6 for a.
5
Let d be 3/6*(-4)/2. Let y = d - -2. Suppose 2*t - 19 = -s, -y = t - 2. Solve -2*w - 22 = o + 3*o, s = -4*o - w for o.
-3
Let u(n) = -n**2 + 5*n + 6. Let b be u(4). Suppose 3*m - 6 = 3*p, 5*m + 3*p = 2*m + 18. Solve 5*d - 18 = -m*a, 0 = 3*d + 2*d - b for a.
2
Let y(j) = -6*j - 11. Let n be y(-6). Solve -3*c = c + 4, -4*l + n = -5*c for l.
5
Let s(u) = -u**2 - 9*u + 3. Let p(c) = -c**3 - 5*c**2 + c - 4. Let g be p(-5). Let n be s(g). Solve -n*y + 0*f + 4 = f, 0 = y - f for y.
1
Let x be 73 + (1 + 1)/1. Suppose 4 = 5*j - s - x, -3*s - 27 = -j. Solve -3*q = 5*v - 8*q + j, 3*v - 26 = -4*q for v.
2
Let v(u) = u**3 - u**2 + u + 2. Let x be v(0). Let i(q) = q**2 - 2*q - 1. Let w be i(-2). Suppose w = y + 2. Solve -2 = 5*d + h + 3, -21 = -x*d - y*h for d.
-2
Let p be 2/(5/50*5). Suppose 40 = -2*a + 7*a. Let k = 12 - a. Solve k*q - 19 = -w, -p*w = -6*w + 6 for q.
4
Let g be 6*2/(-4) + 4. Let c = -9 - 0. Let l be (g + (-4)/3)*c. Solve 5 = 3*n - l*i + 4*i, -2*n = -i for n.
1
Let j be -1 - 2 - (-10 - -8). Let l be 3 + (3 - 3)/j. Solve -3*v + l*f = -f - 12, 0 = 5*v + 3*f - 20 for v.
4
Let m be (-2 - -2) + (4 - 2). Suppose m*a - 3 = 5*h - 19, -a - 13 = -5*h. Solve -o + h = o - 3*t, 5*t = 2*o + 2 for o.
4
Suppose -14 = 3*z - 86. Suppose -3*h + 5*h - z = 0. Let l(a) = -a**3 - 9*a**2 - 8*a + 4. Let i be l(-8). Solve -2*m + h = -3*g + 31, i*m + 33 = 5*g for m.
-2
Let h be (1/(-2))/(18/(-144)). Solve 3*r - y = 14, -17 - 1 = -h*r + 2*y for r.
5
Let u = 8 + -6. Suppose 6 = u*i - 0, -4*h + 4*i = 0. Solve -2*k = -h*f - 10, -k + 2*f - f + 4 = 0 for k.
2
Let d be 25/1 + 2/2. Solve 2*m - 7*m = -3*a - d, 0 = -3*a + 2*m - 14 for a.
-2
Let r be 2/4*(8 + -2). Solve 4*l + n + 2*n - 32 = 0, -3*l + 27 = r*n for l.
5
Let t be ((-12)/10)/((-2)/5). Solve c + 5 = 5*z - c, t*z - 3 = 2*c for z.
1
Let t be 2 + -3 + 3 + -6. Let x be 14/t - 4/(-8). Let a be 0 - 3/(x/5). Solve -27 = -4*l - 3*u - 2, -a*l + 8 = -4*u for l.
4
Suppose -3*z = -15, -2*z + 11 = -4*k + 49. Let a(u) = u**2 - 8*u + 12. Let c be a(6). Solve -4*o - k = -4*n, c = 2*n - n - 5*o + 1 for n.
4
Suppose -o = o - 3*o. Solve -4*i = -2*a - 20, o*i - 4*i + 4*a = -24 for i.
4
Let l = -26 - -30. Solve -15 = 5*m + 5*o, -m + 3*o - 7 = l*m for m.
-2
Let p be 6/(-42) - 44/(-14). Solve r = p*j + 1, 1 = 3*r - 5*j - 2 for r.
1
Let l = 15 + 22. Solve b + 21 = -5*q, 3*b + 0*b - l = 5*q for b.
4
Let r be (3 - 4) + (-5)/1. Suppose 45*t - 44*t + 6 = 0. Let a = r - t. Solve -5*i + 0*x - 3*x = -24, a = 2*x - 6 for i.
3
Suppose 0 = c + p - 4, 4*c - 4*p + 5*p = 16. Solve c = y, 3*y - 21 = 5*r - y for r.
-1
Let j = -169 + 173. Solve 3*r + 2*u - 5 = j*u, -4*r + 2 = -5*u for r.
3
Let y(i) = -i**3 + 3*i**2 + 2. Let x be y(3). Suppose -5*s + 32 = x. Let d = 9 - s. Solve -2*z + d*o = 12, -z = -o - o + 7 for z.
-3
Let g = -2 - -8. Let r(b) = -3*b - 10. Let o be r(-5). Solve -3*i = 5*t + 25, o*t - 2*t + g = 0 for i.
-5
Let t = -41 - -49. Solve 0 = -4*n - i + 2, -n - 4*n + t = 4*i for n.
0
Let v = 8 - 6. Let k be (-1 - -3) + (0 - 2). Suppose k = 3*z - v - 4. Solve -w - z + 0 = 0, -5 = m + 5*w for m.
5
Let k(q) = 3*q + 3. Let b be k(-2). Let h = 3 + b. Solve h = c - 3*j, -4*j = -3*c - 4 - 1 for c.
-3
Suppose 3*r - 13 = 23. Suppose n - 4*n + r = 0. Solve -n*b + 0*y - 4*y = -20, -3*b = -2*y for b.
2
Let i(d) = d**3 + d**2 - 1. Let k be i(-2). Let x = -5 - k. Solve 3*a + a - 5*l + 6 = x, -5*l = -10 for a.
1
Suppose 4*t + 31 = 3*l + 2*t, 4*t = -3*l + 1. Solve -2*q - 3*p = -7, 5*q - p - 19 - l = 0 for q.
5
Suppose 0*k + 41 = 4*c + 3*k, -5*c + 31 = -3*k. Suppose -r = 5 - c. Solve 0 = -3*i - 4*h + 13, r*h - 4 = -h for i.
3
Let k(r) = 2*r**2 + 4*r - 8. Let z be k(-6). Let n = 68 - z. Let y be (1 + (-2)/4)*n. Solve -5*l - 3 = -2*l, -5*d + y = -4*l for d.
2
Suppose -310 + 310 = 3*i. Solve 0 = -5*x - f + 8 + 10, i = x - 2*f - 8 for x.
4
Let x = 1 + 1. Solve -z = 4*y - x, -5*z - 2 = 3*y + 5 for y.
1
Let s(h) = h**2 + 20*h - 16. Let x be s(-22). Suppose -t - 2*k = -11 - 0, k = -2*t + 10. Suppose t*p = -0*p + 9. Solve -2*w - 4*j = x, w = p*j + j + 16 for w.
-4
Suppose 0 = 5*y - 10 - 10. Suppose -5*d = 5*w - 66 + 16, y*w + 37 = 3*d. Solve 0*n - n = -3*s - d, 2*n - 16 = 4*s for s.
-3
Let k be 30*(14/10 + -1). Let z = 0 - -3. Let y = 5 - z. Solve w - 13 = 2*i, 0*i = y*i + 4*w - k for i.
-4
Let r be 358/14 + (-16)/28. Suppose -2*i + 5*a = 3*i - 35, a - 26 = -2*i. Solve 4*b + 3*m + r = 0, 5*b + m - i = -34 for b.
-4
Suppose t + 3*s - 2 = 3, t = -s + 3. Solve -5*b - 25 = -t*i - 4, -3*i + b = -12 for i.
3
Let m(c) = -c**2 - 5*c. Let f be m(-4). Suppose -3*d + v = 18, f*d + 28 = -3*v - 9. Let k = d + 16. Solve -s - 5 = 5*u, -5*u - k + 4 = -4*s for u.
-1
Let o = 4 - 5. Let a(n) = 7*n**2 - 2*n + 1. Let j be a(1). Let t = o + j. Solve -5*i = -t*b - 5, b + 3*i + i - 9 = 0 for b.
1
Let j = 6 + -4. Suppose -c = 5*n - 2*n - 6, 0 = -j*c - 6. Let r = 7 - n. Solve d + d = -r, -o + 2*d - 1 = 0 for o.
-5
Suppose 0 = -5*i - 25, -5*m + 20 = -4*m - 4*i. Solve u + 3*d - 7 = -m*d, 0 = 3*u + d - 5 for u.
1
Let l be (-8 - -2) + 4 - -6. Solve 25 = 4*p + 5*j, -p - l*j + 17 = -3 for p.
0
Let m(x) = -x - 3. Let v be m(-4). Solve 4*j = 5*s + v, j + 0*s = 2*s + 1 for j.
-1
Suppose 0 = 10*x - 7*x - 12. Solve -16 = -3*l + 2*i + 2*i, 24 = 5*l - x*i for l.
4
Let m be 21/2 + 51/34. Solve 13 = -0*s - s + 2*y, m = 3*y for s.
-5
Let z(r) = -2*r + 2. Let x be z(4). Let u(w) = 5*w**3 + 2*w - 1. Let l be u(1). Let c be 4/l - 38/x. Solve 5*f - c = 3*a, -a - 11 = 3*a - 5*f for a.
-4
Let j be ((-2)/5)/(3 + (-93)/30). Suppose 5*k - k - 20 = 0. Solve h + 5 = -2*h - k*q, -q - j = 0 for h.
5
Let o(z) = z - 1. Let k be o(1). Let c = 0 + k. Solve -3*x + 3 + 3 = -3*m, 4*x - 16 = c for m.
2
Let q be (4*3/6)/(-2). Let v = q - -1. Let k(p) = 4*p**2. Let t be k(-2). Solve -3*i - 6 - t = 4*w, -5*w - i - 22 = v for w.
-4
Suppose -4*b + 0 = -44. Let h = b - 9. Solve 5*l = -u - 15, -21 = -h*l + u + 4*u for l.
-2
Let z = -21 + 265. Suppose 0 = 3*h - 3*i + 183, -3*i + 5*i - z = 4*h. Let y be 2/(-8) + h/(-4). Solve -3*b + y = -3*f, -2*f - 14 = -5*b + 8 for b.
4
Suppose -s + 5 + 7 = -4*z, -4*z = 5*s - 12. Solve -5*h - s*f = -41, -21 - 10 = -3*h - 4*f for h.
5
Suppose -3 = 7*t - 24. Solve -20 