Suppose -20*f = -13*f. Solve 0 = -f*z + 5*z + 10 for z.

-2

Suppose 0 = -4*r + 4 + 8. Let n = 0 + 2. Solve n*v - 4 = r*v for v.

-4

Let t be ((-45)/12)/(3/(-8)). Let z be (-3)/((-6)/t) - 2. Suppose 0*i = z*j + i - 1, 2*i - 2 = j. Solve j = -4*n - n + 10 for n.

2

Let k(s) be the second derivative of 0 + 16*s3 - s - 2*s2. Let g be k(10). Solve -7*i + g*i = 0 for i.

0

Suppose -4 = -b + 1. Suppose -15 = -5*d + b*h, h + 0 = -d + 3. Solve d*l = -l + 12 for l.

3

Suppose 0 = 5*h - 5, 70 = 5*w - 5*h. Solve 1 = 4*f - w for f.

4

Suppose 2*p + 16 = -2*k + 5*k, -4 = -p. Let l = 27 - k. Solve -4*w - l = -3 for w.

-4

Suppose 61 + 39 = 5*o - d, 80 = 4*o - d. Solve 4*b - o = -b for b.

4

Let x = 49 + -29. Suppose -6*l + 5*i + 40 = -l, -4*l + 29 = -3*i. Solve -l*w - 5 - x = 0 for w.

-5

Let x = 20 + -16. Solve x + 1 = -5*k for k.

-1