Let d = -14 + 19. Solve -c - 12 = -d*c for c.

Let w(d) = d + 9. Let z be w(-7). Suppose 8 = l - 5*c - 3, z*l - 8 = -4*c. Solve 5*v + 21 = l for v.

-3

Let u be -2*6*4/(-16). Solve -4*c + 3*c - u = 0 for c.

-3

Let j(f) be the second derivative of f⁵⁄₂₀ + f⁴⁄₁₂ + f. Let o be j(1). Let i = 6 - o. Solve -a - i = -0*a for a.

-4

Suppose 5*x = -c + 4, -3*c + 12 = -3*x - 0*x. Solve -6 = c*a - 2 for a.

-1

Let q = 4 - 4. Suppose q = -6*r + 2*r + 20. Solve -r*i - 9 = 11 for i.

-4

Suppose 10 = w + 5*s - 18, s = -5*w + 20. Suppose 4 = 2*o, w*h = 3*o - 2*o + 4. Solve h*n - n - 3 = 0 for n.

3

Suppose -5*p = -7*p - 16. Let d be (-2)/p - 19/(-4). Solve 5 = 5*m - d for m.

2

Let p(h) = -2*h - 10. Let i = 54 - 37. Suppose s + i = -3*q + q, q = -s - 12. Let a be p(s). Solve -15 = -m - a*m for m.

3

Let f be (9 + -6)*⁴⁄₆. Suppose k + 13 = -3*h, 2*k = -f*h - h - 11. Let g be (k/6)/(²⁄₂₄). Solve -t + g = 3*t for t.

1

Let j® = r**2 - 5*r + 4. Let v be j(5). Suppose -3*f = -5*l + 14, -v*l + 0*l + 4*f = -8. Solve l = 3*z - 4*z for z.

-4