Let u = -9 + 13. Solve -4*i = -8 - u for i.

3

Let w(m) = -m**2 - 7*m - 6. Let s be w(-5). Suppose 9 = 5*c - s*r + 2*r, 3*c - 4*r = -3. Solve 0 = -f + c for f.

3

Let s(p) = -p**2 + 5*p - 2. Let c be s(3). Solve -o = -c*o - 12 for o.

-4

Let u be (-6)/(-12) - 1*36. Solve 2*v - 4 = -u*v for v.

2

Let j = 4 - 2. Solve 3*s - 4*s = -j for s.

2

Let d(o) = -o3 - 7*o2 - o - 3. Suppose 0 = -4*w - w - 35. Let u be d(w). Suppose -13 = -2*f - 7*b + u*b, 5*f + 2*b = 27. Solve 11 + 9 = -f*l for l.

-4

Let x(b) = 2*b**2 - 4*b + 2. Let q be x(2). Suppose 0 = -4*t - 16, -4*v + q*t = 6*t + 4. Solve 0 = v*w - 3 - 0 for w.

1

Suppose 5*b - 4 + 12 = -2*f, f + 4 = -5*b. Suppose 2*z = -2, -o + 3*z + 6 = z. Solve b = -o*q + 8 + 4 for q.

3

Let j(b) = 5*b - 10. Let o be j(8). Suppose -o + 5 = -5*f + 5*d, 0 = -f + 2*d + 3. Suppose 0 = -0*y - 3*y. Solve -k + f - 3 = y for k.

4

Suppose 0 = -4*m + 3*x - 1, 3*x - 4*x + 9 = 3*m. Solve m*r + 0 = 6 for r.

3