Let w = 7 + -7. Solve 6 = -2*u - w*u for u.

-3

Let y be ((-2)/(-4))/(1⁄2). Suppose 3*u - 4 = -y. Solve 3*s - u = 8 for s.

3

Suppose -2*b + 13 = 5*l, 5*b - l = 6 + 13. Solve 0 = -b*p + 5 - 1 for p.

1

Suppose -h - 2*h = 12. Let d = 7 - h. Let j = -8 + d. Solve -j*k + k = 8 for k.

-4

Let c be 2*(2/(-4) - -1). Let p(q) = 2*q - 10. Let a be p(7). Suppose -w - a*w = 0. Solve w - c = b for b.

-1

Suppose -60 = -2*y - 3*y. Let u® = r3 - 10*r2 + 10*r - 7. Let s be u(9). Suppose 5*o + j - 15 = s*j, -2*o - 16 = 4*j. Solve 6*d - o*d + y = 0 for d.

-3

Let v = 1 - -1. Let z(k) = k - 11. Let t be z(8). Let h be (-1)/t + 3/(-9). Solve -2*x - v*x = h for x.

0

Suppose -3*z = 2*z - 3*r - 35, z - 7 = 5*r. Suppose -m + 40 = 5*h, 51 = 4*h - z*m + 4*m. Solve h = -4*s + s for s.

-3

Let o(v) = v - 1. Let x be o(1). Suppose 2*u - j + 5*j - 38 = x, -3*j = 3*u - 51. Solve 5*k = 2*k + u for k.

5

Suppose -9*m + 57 = 12. Solve 8 = m*f - f for f.

2