(7). Solve 15 = k - 5*g, -t*k + 3*g = -g - 18 for k.
5
Suppose 0 = 5*u - 3*u - 4. Solve -u*a = 4*l + 12, -2*a - 5*l = -7*a + 30 for a.
2
Suppose -62 = -4*w - 2*i, 0 = -2*w - 5*i - 5 + 56. Suppose -3*q - 2 = 4*z + 1, -2*q = -z + w. Solve n + n + 3*f = 7, z*f = -n + 11 for n.
-4
Let h = -20 - -14. Let s = 20 + h. Suppose 1 + s = 3*x. Solve 13 = -x*u - 3*y + 5, 0 = 2*u + 2*y for u.
-4
Let t(c) = c**2 + 2*c + 3. Let r be t(-2). Suppose 24 = 2*v + 6. Solve 2*z - r*z - x + 1 = 0, v = z + 3*x for z.
-3
Let j be 0/(3/(6/4)). Suppose b - 3*b = j. Solve -3*d + 21 = -3*i, b*d + 29 = 5*d - 3*i for d.
4
Suppose -3*l + 2*l - 6 = 2*k, -k = 4. Solve -l*d - 3*z = -3, 3*d - 2*z + 3*z - 8 = 0 for d.
3
Suppose 8 = 2*r + 2*d, -4*r + 2*d + 15 = 7*d. Solve -5*b = u + r, -4*b + u = -2*b + 9 for b.
-2
Suppose -4*j = l + 2*l - 5, -3*j + 5*l = -11. Solve 2*n = -3*y - 6, -j = -n - 0*y + y for n.
0
Suppose 2 + 2 = -4*j. Let r = 4 + j. Suppose -26 = -r*i - 4*k, -4*k = i + i - 20. Solve 3*c - i*q + 2*q = -3, c = -q - 1 for c.
-1
Let w = -124 + 129. Solve 0*p - 2*p + 1 = w*q, -5 = 2*q - p for q.
-1
Suppose -16 = -2*m - 2. Solve -14 = -3*h - x, 0 = 4*h - 2*x + x - m for h.
3
Let c(b) be the first derivative of -2*b + 1/2*b**2 - 2. Let j be c(4). Solve -4*i - 6 = -j*p - p, -5*p + 5*i = -10 for p.
2
Suppose o - 24 = 2*o. Let h be (2/(-6))/(2/o). Solve 5 = -h*a + 2*c + 3, -3*c = -5*a - 5 for a.
2
Let p(d) = d + 16. Let h be p(-12). Let o be (-4)/8*6 + h. Solve -3*y + o = -2*v, 3*v + 8 = 2*y - 1 for v.
-5
Suppose f = 3*j - 41, j - 8 = -2*f + 1. Let c = j - -7. Solve -z + 0 = 5, c = 5*s - z for s.
3
Suppose 2*g - 5*d - 4 = 3*g, 0 = -2*g + 3*d - 8. Let k be (-3 - (1 + g))/2. Suppose k*y + 12 = 3*y. Solve 3*s + 4*i + 12 = 0, -5*i + 0 = s + y for s.
-4
Suppose -2*m + 5*i = -0*m - 28, -4 = -4*m - 3*i. Let o be m/6*(3 + 3). Solve -o*v + y = -0*v + 16, 5*v + 4*y = -41 for v.
-5
Suppose 3*b - 25 = -2*j, -j = 5*b - 34 + 11. Solve 5*g = -5*t + 10, -3*t - 4*g = -t - j for t.
0
Suppose -3*l + 9 = -0*l. Solve 3*d = z - 0*z + 7, l*z - 5*d + 9 = 0 for z.
2
Let i be 6/(-8) - (-184)/32. Let c be (-1)/5 - (-11)/i. Solve 0 = -4*f - 4, -c*w - 3*f - 11 = -0 for w.
-4
Suppose y + 4*y = 0. Solve 4*a + 0*a - 4 = 2*s, y = 3*a + 4*s - 25 for a.
3
Suppose 27 = 3*u - 3*y, -2*u = -5*y - 35 + 2. Solve -v - 2 = -5*n + 13, u*n - 6 = 2*v for n.
4
Let m(s) = 5*s - 9. Let c(y) = 14*y - 26. Let z(b) = -6*c(b) + 17*m(b). Let g be z(-3). Solve -4*j = 2*n - 5 - 21, g = 5*n - 25 for j.
4
Suppose 6*s - 9 = 21. Solve 4*p = -4*u - 28, 5*p - 3*u = -0*u + s for p.
-2
Let t(k) = k - 2. Let y(m) = -m**3 + m**2 + 6. Let w be y(0). Let r be t(w). Suppose -u = r*u, 0 = -3*o + 5*u. Solve d = -4*v + 23, o = 4*d - 2*v - v + 3 for d.
3
Let a = -51 - -53. Let h(n) = n**2 + 4*n - 5. Let i be h(-5). Suppose i = 4*g - 36. Solve k - a*f = -1 - g, -k - 3*f + 15 = 0 for k.
0
Suppose 0 = 4*c - 3*c - 5. Solve 4*d - 16 = -d + 2*l, 0 = c*d + 2*l - 24 for d.
4
Let t = 51 + -31. Solve 5*l = 5*h - 0*h - 15, 5*l + 2*h = t for l.
2
Let j be 1/(-2) - 1/(-2). Suppose 5*g + 8 = 9*g. Solve j*d + 1 = g*c - d, -c = 2*d - 8 for c.
2
Let z = 11 - 7. Suppose t = -z*d + 15, -2*t - 4 = 4*d - 14. Let r be 1*(-85)/(-3) + 24/(-72). Solve -3*g + 8*g + r = -2*v, d*v + g = -24 for v.
-4
Let a = -49 - -49. Solve 3*h + 9 + a = -3*s, 4*h - 6 = 2*s for s.
-3
Suppose -4*t = -2*t - 4. Solve -3*d - l - 5 = 0, -4*d = l - t*l + 16 for d.
-3
Let v(p) = 2*p - 16. Let h be v(8). Let w be (h + 0)/(2/2). Solve -4*y + w*y = 3*z - 10, -2*y - 5*z - 2 = 0 for y.
4
Let y be 3 - (-3 + 0 + 6). Suppose 0*i - i + 4 = y. Solve -2*w + 3*m + 1 = 2*w, 0 = 3*w - i*m - 6 for w.
-2
Let z(a) = -a**3 + 6*a**2 - 3*a - 3. Let k be z(5). Let g = k + 1. Solve -3*j + 4*q - g*q = 0, 2*q = 0 for j.
0
Suppose -9*k - 10 = -5*t - 4*k, 0 = -2*t - 2*k + 12. Suppose 2*n = -10 + t. Let j = n + 8. Solve -10 = j*o - 3*f - 0*f, 5*f + 35 = -2*o for o.
-5
Suppose -5*b + 23 = 3. Solve -9*j - 15 = -b*j + 5*o, 0 = 2*j - o + 12 for j.
-5
Suppose 0 = 3*l - 2*l. Solve k = -3*k - 16, l = -5*y - 5*k - 15 for y.
1
Suppose -6 = -3*n + 9. Let g(z) = -16*z**3 - 2*z**2 + 1. Let s(i) = -i + 1. Let l be s(2). Let d be g(l). Solve 0 = n*c - 2*h + d, 2*h + 0 = 10 for c.
-1
Suppose -4*v + 1 = -7. Suppose w - 8 = -2*l, -l - w = v*l - 10. Let c = -3 + 3. Solve -3*j = 4*z - c*j - l, -2*z + 6 = -j for z.
2
Let c(i) = i**3 + 13*i**2 - 30*i + 4. Let y be c(-15). Solve -g - 5*n + 11 = 4, 5*g = -y*n - 7 for g.
-3
Suppose -3*z = -5 - 1. Solve 0*n - n - z = 4*f, -2*n = -f + 4 for f.
0
Let w = -1 + -1. Let q be (-5)/(-10) + 21/(-2). Let p be w/4 + q/(-4). Solve 0 = -2*h - p*h + 2*g - 6, 0 = 2*h - 2*g - 2 for h.
-4
Let l = 23 - 23. Suppose 0 = 3*x - l*x + k - 9, -15 = -5*x - k. Solve -8 = -2*o - 3*f + 8, 0 = x*o - 5*f + 14 for o.
2
Let o = 0 + 0. Let y be (-1 - 8/1)*(-26)/117. Suppose -i = -o*i - y. Solve -i*l - 3 - 17 = 4*r, r = -4 for l.
-2
Let f be (2 - -2)/(1*2). Let h be (-36)/(-6) + 0 + -2. Solve -3*u + h*t + 7 = 0, t = f*u - 4*t - 7 for u.
1
Suppose -2*h = -3*q + h + 18, -h = 1. Solve -2*k + q*c + 5 = -4*k, 4*k = 5*c + 5 for k.
0
Let l = 12 - 9. Suppose l*f = -f. Suppose f = -3*x - 2*z + 90, -5*z + z = 12. Solve x = 3*t + 4*b, 3 = -t - b + 12 for t.
4
Suppose -4*g - 6 = -2, 4*c = -5*g + 15. Let r = 2 - -1. Suppose 0 = 4*p - 3*p + 4*o - r, o = -2*p + 6. Solve 0 = -v - 4*w + 9, 0 = v - c*w + 7*w - p for v.
-3
Suppose -15 - 23 = -2*h. Suppose 3*q + h = -n + 46, 5*n + q = 93. Let r(i) = i**2 + 2*i - 3. Let d be r(-3). Solve -s = -t + 4, 4*s - 2*t - 4 + n = d for s.
-3
Suppose -155 = 7*w - 12*w. Solve 4*t + w = -5*q, -3*t - 2*q - 24 = 2*q for t.
-4
Suppose 5*j - 8*j = 0. Solve -p - 20 = -5*k, 5*k - 35 = -j*p + 4*p for k.
3
Suppose h - 11 = 2*f - 4*f, 5 = 2*f - h. Suppose 0 = -f*k + 4*n + 8, 2*k + 3*n - 18 = k. Let q = k - 2. Solve 2*m - 2*x + 11 = m, -q*m - 9 = -x for m.
-1
Let r(c) = c**3 + 3*c**2 - 2*c + 3. Suppose -5*s - 36 = 54. Let i be 58/s - (-8)/36. Let p be r(i). Solve 3*j - 4*q = 9, 3*j + 0*q = 3*q + p for j.
3
Suppose 3*m + 4*r + 9 = r, -m - 4*r - 18 = 0. Solve -4*g = -5*s - 13, m*g - 11 + 27 = -2*s for s.
-5
Let g = 23 + -7. Solve -5*o = -4*x + g, x - 3 + 0 = o for x.
-1
Suppose 4 = -2*o + 3*o. Let f be 14/21*(-6)/(-4). Let r = 5 - f. Solve -4*n + 20 = 0, -19 = -r*z + n - o*n for z.
1
Let x(t) = t + 21. Let o be x(-18). Solve o*i = 3*q + 18, -9 = i - 0*i + 2*q for i.
1
Suppose -2*a = -4*a + 4. Suppose 2*m - 56 = -a*m. Solve r + m - 2 = -2*o, -8 = o + r for o.
-4
Let b(t) be the second derivative of 0 + 2*t + 1/2*t**3 - 1/2*t**2. Let k be b(1). Solve -5*h + k*y + 16 = 0, -5*y + 20 = 4*h - 3*y for h.
4
Suppose -5*l = 2*f, 5 - 15 = 5*l. Solve a + 0 + 3 = 4*y, -4*a - 12 = f*y for a.
-3
Let c(n) = -18*n + 1. Let r be c(-1). Let y = -39 - -39. Solve -4*w + 9*j - r = 4*j, y = -w + 5*j - 16 for w.
-1
Let m be (16/(-6))/((-2)/(-6)). Let u be (46/(-3))/(m/12). Solve -3*k - 4*v = -u, 3*k - 4*v + 7 = -2*v for k.
1
Let t be (-36)/(-3)*1 + 0. Suppose -5*y = -2 - 23. Suppose h = y*h - t. Solve -2*q + 4 = z - 6*q, -h*z + 3*q = 6 for z.
-4
Suppose 5*h = 3*w + 25, 4*h + 5*w = -32 + 89. Solve 4*y = -2*n + n + h, -11 = y - 3*n for y.
1
Let z = 4 + -9. Let s be -6 - -3 - z*1. Solve w - 8 = 2*o, -3 = -s*w - 5*o - 14 for w.
2
Let h = 3 - 3. Let q(n) = n - 2. Let u be q(7). Solve -u = -5*b + 4*o, -b = 4*o - h - 1 for b.
1
Suppose 0 = -3*a + 4 + 89. Suppose 2 = -2*s + 6. Solve -s*o + 8 = -q, -5*q + 5*o + 6 = a for q.
-2
Let b = -5 - -7. Suppose -b*c + 80 = 3*c. Let j be 8/(-12) - c/(-6). Solve -2*n - 2 = z + j, 5*z + 5*n = 0 for z.
4
Suppose -5*r = -2*r. Let x(f) = -2*f**3 + f**2 + 2*f + 1. Let t be x(-1). Suppose -t*k + 12 = 2*k. Solve 3*v - 3*h - 5 = -h, r = v - 2*h - k for v.
1
Let g be 259/21 + 2/3. Solve 2*s - v = -0*s + g, -2*s + 33 = -5*v for s.
4
Suppose 2*n = -d + 4, -1 = 2*d + 2*n - 5. Let i be -3*(16/(-6) - -2). Solve 3*g = -0*g + i*u - 6, d = -2*g + 5*u + 7 for g.
-4
Let s be 0/(-3) + (7 - -2). Let z be 1/3 + 195/s. Solve 3 + z = -d - 5*n, -4*d - 25 = 5*n for d.
0
Let o = 178 + -175. Solve -o*z - 4*q = 4, 2*q + 16 = 5*z + 3*q for z.
4
Let q = -60 + 63. Solve 5*n + m + 27 = 0, -q*m = 4*n - 4*m + 18 for n.
-5
Suppose -4*r - 15 = -7*r. Solve -n + 2*u + u = 11, 3*n + r*u + 5 = 0 for n.
-5
Suppose 0 = 3*r - 8 + 2. Solve -4*z + 6*z = 2*x - 10, 