Suppose d + 2 = -0*d. Let b be (-4)/d + -4 + 6. Suppose -8*c = -7*c. Solve b*r + c*r + 12 = 0 for r.

Let y(f) = -f2 + 2 + 2*f2 + 3 - f. Let u be y(-4). Solve 0 = q + 4*q - u for q.

5

Let y be 10/(-2)*18/(-45). Solve 2 = -4*w + y*w for w.

-1

Let l(b) = b**2 + 5*b + 5. Let s be l(-6). Suppose 3*v = 2*w - 2*v + s, 3*w + 3*v = 15. Suppose 0 = -3*r + 2*r + w. Solve -r*x = -6*x for x.

0

Let r be (0*(-3)/(-9))/1. Let u be (-1)/((-2)/(-6) + r). Let c be 0 - 30/(6/u). Solve 5*l + c = 5 for l.

-2

Suppose 9 = 2*o - v - 16, 3*o + 3*v - 15 = 0. Suppose -2*m + o = 3*m. Solve -2 = -m*x + 4 for x.

3

Suppose -4*m = 7*a - 4*a - 155, a = m + 40. Suppose -3*j - 2*j + 5*z = -a, 2*j = -3*z - 2. Solve -5*c + j = -20 for c.

5

Let b(t) be the second derivative of t⁵⁄₂₀ + t⁴⁄₂ - t. Suppose 2*o + 7 = -5. Let p be b(o). Solve p = -2*q - 1 + 7 for q.

3

Let a(n) = -n**2 - 7*n + 48. Let q be a(-11). Solve 4*o = -q - 0 for o.

-1

Let l = 12 - 17. Let u be (-2)/6 + ⁷⁵⁄₉. Let p = l + u. Solve -p*k = -11 - 1 for k.

4

Suppose -5*y - 4 = -6*y. Solve y + 4 = -2*f for f.

-4