Let g be (4/(-5))/(4/(-20)). Solve g*k + 1 = -3 for k.

Let d = 15 + -11. Let q be (-4 + d)/(²⁄₂). Solve q = -0*w + 4*w + 20 for w.

-5

Let s® = -2*r**2 + 15*r + 1. Let h be s(7). Solve 6*q - 4 = h*q for q.

-2

Let f = -91 - -91. Solve f = 3*b + b for b.

0

Suppose -7*a + 4*a = -4*z + 5, 4*a = -2*z - 36. Let m = 9 + a. Solve 0 = -3*y - m*y - 20 for y.

-4

Let u(k) be the second derivative of -k⁴⁄₁₂ + 2*k³⁄₃ + 2*k**2 + k. Let c be u(4). Solve -1 = -c*l - 9 for l.

-2

Let h = 14 - 9. Suppose 4*m - 6*m = -8. Solve -3*x - m = h for x.

-3

Let t(f) = 2*f - 9. Let j be ¹⁄₂ + (-12)/(-8). Suppose 3*a - 3 = 2*c, -2*c - 2*c + 34 = j*a. Let s be t©. Solve 0 = -w - s*w - 12 for w.

-3

Suppose 10 + 2 = 3*h. Solve -h*n = n + 10 for n.

-2

Suppose 0 = 3*o + 2*z - 14, 4*o - 23 = -o - 3*z. Suppose h - o = 2. Solve g + 20 = h*g for g.

4

Suppose 5*h = h + 8. Solve 3*f = -h*f + 5 for f.

1