Suppose -u + 20 = 3*u. Let a(n) = -n + 7. Let d be a(u). Solve -4 = -2*l + d for l.

3

Suppose 6 = 4*f + 30. Let p(a) = -a3 - 6*a2 - a - 5. Let x be p(f). Let v be x + -1 - (1 - 2). Solve 0 = 2*k - v - 3 for k.

2

Suppose -3*x + 92 = 23. Let d = x + -16. Let c(y) = y3 - 8*y2 + 7*y + 2. Let q be c(d). Solve 0 = -o - q + 5 for o.

3

Suppose -4*o = 2*m - 10 - 4, -27 = -2*o + 3*m. Let g(f) = 6*f - 5*f - f**2 + 6*f + 2. Let s be g(o). Solve -5*y + 2 + s = 0 for y.

2

Let a(x) = -x**2 - 2*x - 1. Let s be a(-1). Suppose 8*y - 3*y - 15 = s. Suppose b = -y*b + 16. Solve -b*z = z for z.

0

Let x be 75/(-27) - 2⁄9. Let w = x - -5. Solve -5 = w*a - 15 for a.

5

Suppose 18 = 2*w + 2*o, -2*o - 62 = -4*w - 8. Solve -2 = 2*u - w for u.

5

Suppose -5*n = -4*d - 28, 0*d - 5*d + 10 = 5*n. Let r(v) = -v3 + 8*v2 - 6*v - 1. Let u be r(7). Suppose -2 + u = n*s. Solve -a - 1 = s for a.

-2

Let q = -1 + 1. Suppose 7*w - 66 + 10 = q. Solve -2*z = -0*z - w for z.

4

Let i be (120⁄36)/(4⁄18). Solve 4*r = 5 + i for r.

5