Suppose -10*c + 9*c = -5. Solve 5*b + c = 25 for b.

4

Let b be 1*13 + (2 - 4). Let n = b + -8. Solve n = -o + 1 for o.

-2

Suppose 7*m + 2 = 8*m. Solve -m*r - 15 = r for r.

-5

Let y = 3 - -2. Suppose y*s = -k + 21, s = 5*s + k - 16. Solve 11 = s*a - 4 for a.

3

Let w = -6 + 10. Solve 0 = 4*f + w + 8 for f.

-3

Suppose -a - 40 = 4*a. Let k(n) = 11*n2 + 15*n + 9. Let y(f) = -7*f2 - 10*f - 6. Let j(l) = a*y(l) - 5*k(l). Let t be j(-5). Solve -t*w = 2*w + 10 for w.

-2

Let z(s) be the first derivative of -1⁄2*s**2 + 3 + 11*s. Let x be z(8). Solve -x*b + b = 6 for b.

-3

Let y be (-30)/18 + 1/(-3). Let w be 1 - (y/2 - 0). Solve 0*r + w*r + 4 = 0 for r.

-2

Let t be (-1)/(-1)*(-12 - -11). Let y = 6 + t. Solve -y = 2*f - 1 for f.

-2

Let u(w) = 3*w - 10. Let t be u(4). Suppose 4*o + 2*a = 12, 3*o - 3 = 2*o - 3*a. Solve -x = -t*x - o for x.

-3