Let d be -2 + ((-9)/(-1) - 2). Suppose -d = -2*u + 1. Solve -r - 12 = u*r for r.

Let u be (2*(-4)/10)/((-24)/60). Solve -8 + 4 = u*b for b.

-2

Suppose -20 = -5*j + 25. Let o = j + -3. Solve 4*w + 6 = -o for w.

-3

Suppose -32 = 2*t - 5*w, -4*w + 0*w = -t - 22. Let j = t + 9. Solve 2*k = 1 + j for k.

2

Suppose -s + 24 = 7. Solve -5*o + 2 = s for o.

-3

Let t = -6 + 14. Let d(f) = -f**2 + 9*f - 18. Let n be d(5). Solve -2*k = n*k - t for k.

2

Suppose -c + 4*g = 2*c - 12, -c + 6 = -2*g. Suppose 3*j - 31 = 5. Let w be ((-4)/j)/(2/(-42)). Solve c = w*q - 4*q for q.

0

Let h(l) be the second derivative of l⁵⁄₂₀ + 5*l⁴⁄₆ + 3*l³⁄₂ + 13*l²⁄₂ + 5*l. Let q be h(-9). Solve 1 = -3*c + q for c.

4

Let k(z) = z3 + 9*z - 8*z - 3*z3 + 1. Let q be k(-1). Suppose -q*t + 4*t - h = 6, t = h + 2. Solve r = -r + t for r.

2

Let c(s) = s - 5. Let j(w) = -w + 4. Let a(v) = 5*c(v) + 4*j(v). Let o be a(9). Solve -3*n - 14 + 2 = o for n.

-4

Let t(f) = -f3 - 4*f2 + 3f - 10. Let y be t(-5). Let x be (-1)/((-1)/(-3)-1). Let w be (1/x)/((-3)/(-18)). Solve -n - n - w = y for n.

-1