Let p = -129 - -134. Solve 11 = p*b - 9 for b.

4

Suppose 3*i = i + 6. Solve -i*r = r - 12 for r.

3

Let t be (-12)/8 - (-6)/(-4). Let p be 5*(5115 + t). Solve p*u + 0*u = 0 for u.

0

Suppose -5*x + 0*x + 5*u = -85, 3*u + 29 = 2*x. Solve 5*m = x - 7 for m.

3

Suppose 2*c - 3*u - 9 = 1, -2*c - u + 10 = 0. Let j = -2 + c. Solve j*o + o - 20 = 0 for o.

5

Suppose -2 = 5*w - z, 2*w - 4*z + 8 = -w. Suppose w = -x, 2*k + 40 = -3*k - x. Let l = -5 - k. Solve l*r = 5 - 17 for r.

-4

Let v be 296 + 212. Suppose -7*i = -v*i. Solve i = 2*f - f - 3 for f.

3

Let z = 4 - 2. Let y be 6*2*412. Suppose i - z*i + y = 0. Solve -i = 3*k + 8 for k.

-4

Let f(d) be the first derivative of -4*d**2 + d + 2. Let m be f(-2). Let k = m - 9. Solve -6*o = -4*o - k for o.

4

Let c(f) = -f**2 + f + 40. Let s be c(0). Let l be (-1)/(3 + s/(-12)). Solve -l*k + 15 = -8*k for k.

-3