Suppose 0 = -4*r + 18 + 2. Let z(t) be the second derivative of t**4/12 - 2*t**3/3 - 3*t**2/2 - t. Let x be z(r). Solve -x*y = -y for y.

Let j(n) = 7*n3 + 11*n2 - 2*n - 7. Let b(g) = 3*g3 + 5*g2 - g - 3. Let z(q) = 5*b(q) - 2*j(q). Let u be z(-2). Solve 0*l + u*l + 5 = 0 for l.

-1

Let x be ²⁶⁄₅ - ⁴⁄₂₀. Solve 1 = x*q - 19 for q.

4

Let w be ³⁄₁₅*2*15. Let h = 5 + -1. Suppose -i = h*x - 12, 9 = i + i + 3*x. Solve i = -w*l + l + 25 for l.

5

Let s® = r3 - 2*r2 - 5*r - 2. Let d be s(4). Suppose -u = -3*u + d. Suppose -7 - 18 = -u*a. Solve a*j = -24 + 4 for j.

-4

Let n be 8*((-22)/(-4))/(-1). Let s = -69 - n. Let l = -15 - s. Solve -t = -3*t + l for t.

5

Let u = -3 - -9. Suppose -3*j = -7*j. Suppose -4 = -3*l + 8. Solve -l*s + s - u = j for s.

-2

Suppose 5*a = -r - 2*r + 7, -3 = -3*a - 3*r. Solve a*y - 15 = 7*y for y.

-3

Suppose 0 = -3*v - i + 32, -3*v + i = -18 - 16. Solve 3*y + v + 1 = 0 for y.

-4

Let o(i) = -i**2 + 11*i + 15. Suppose -3*c = 1 + 2. Let y be (-213)/(-18) - c/6. Let a be o(y). Solve a*w + w = 20 for w.

5

Suppose 4*r = 5*r - 2. Suppose -7*d - 8 = -3*d. Let y(g) = -g**3 + 2*g - 1. Let x be y(d). Solve x*v = r*v - 5 for v.

-5