Suppose 9*s = 7*s + 18. Solve 0 = -5*z - 4 + s for z.

1

Suppose -7*a = -4*w - 2*a + 15, -2*w + a + 15 = 0. Let n be 1 - (2 - (5 + 2)). Solve 0 = j - n*j - w for j.

-2

Suppose -8 + 21 = 13*y. Solve y = -2*i + 3 for i.

1

Let g(n) = n3 - 11*n2 - 9*n - 21. Let m be g(12). Solve 3*f + m = -0*f for f.

-5

Let d(s) = 3*s3 + 13*s2 + 2*s + 1. Let x be d(-4). Solve x*o = 5*o - 4 for o.

-1

Let q = 77 + -74. Solve 2*o = -q*o - 10 for o.

-2

Suppose -26 = 2*b - 4*k, b + b + 6 = -k. Let p(t) = -21*t + 17*t + 2*t3 - 6*t2 - 3*t**3 + 7. Let h be p(b). Solve h*u - 13 = -3 for u.

5

Let s(d) = 7*d**2 - d. Let w be s(1). Solve -b + w = 2*b for b.

2

Let b = 18 + -15. Solve 2*o = 3 + b for o.

3

Suppose -8*o + 28 = -4*o. Let d be (-1)/o - (-1)/7. Solve 0 = -r - d*r + 2 for r.

2