Let r = -109 - -113. Solve 0 = -r*d - d + 15 for d.

Let f(w) = -w**2 + 9*w - 4. Let c be f(8). Suppose 4*n = j - 17, -4*j + 40 = 2*n - 4*n. Solve -j = c*y - y for y.

-3

Let y(f) = -f**2 + 18*f - 25. Let s be y(15). Solve 2*w = 6*w + s for w.

-5

Let z = 108 - 102. Solve -s = -z + 4 for s.

2

Let b be (8/(-4))/(2/(-1)). Suppose b = r + 5. Let y = r + 4. Solve 3*h - 2 - 1 = y for h.

1

Suppose 5*z = 5*a, 0 = a - 2*z - 0 + 2. Suppose 0*h + 84 = a*h. Solve 5*n - h = -17 for n.

5

Suppose -3*l - 4 - 5 = 0. Let r(h) = -2*h + 0 - 3 + h. Let o be r(l). Solve o = -y - 2 for y.

-2

Let s = -65 + 68. Solve -s*k + 0 = 15 for k.

-5

Let g = 9 - 7. Suppose 3*d - g*d - 16 = 0. Let t be d + -1 - (-6 - -6). Solve 2*p = 5*p + t for p.

-5

Suppose 0 = 3*v - 2 - 7. Suppose -3*l + 21 = 5*z, 2*z + v*z - l - 13 = 0. Let t = z - 0. Solve -2*y - t*y = 0 for y.

0

Suppose -3*i + 4*q + 252 = 0, 4*q + 229 = -5*i + 617. Suppose 4*s - 5*z = i, 3*s + 2*s - 2*z - 83 = 0. Solve 0 = 4*f - f + s for f.

-5