Let t(r) = r**2 - r. Suppose 0*l - 8 = -4*l. Let x be t(l). Solve 0 = x*a - 2 + 8 for a.

Let z(f) = -2*f - 3. Let b be z(-3). Suppose -2*g + 3*u - 2*u = -9, -21 = -2*g + 5*u. Solve -g = b*p + 3 for p.

-2

Let w = 8 - -12. Let y be (9 - (-686)/(-70))*10/(-4). Solve 2*a = -y*a + w for a.

5

Let h(d) = -d**2 + 7*d + 2. Let k = -3 - -9. Let j be h(k). Let i be 4/j - ¹⁄₂. Solve i = s + 4*s - 10 for s.

2

Let i = 18 - 13. Let c(d) = -8*d - 5. Let w be c(-1). Solve -1 - i = w*v for v.

-2

Suppose 2*k + 3 = -7. Let c(f) = -f**2 - 8*f - 7. Let o be c(k). Solve -5*w + o = 3 for w.

1

Suppose 5*z + y - 15 = 7, -6 = 2*y. Let u = z + -2. Solve -2*a - 2 = -u*a for a.

2

Suppose 0 = -2*p - p + 24. Solve -5*j = -p*j - 6 for j.

-2

Suppose 4*d - 9 = 7. Solve -d*x + x + 9 = 0 for x.

3

Let c(n) be the second derivative of -n⁴⁄₁₂ + 7*n³⁄₃ - 4*n**2 - 3*n. Let z be c(12). Let m be (z/10)/(²⁄₂₅). Solve -m = -7*u + 2*u for u.

4

Let r(o) be the third derivative of -o⁴⁄₂₄ - 3*o2. Let v be r(-4). Solve -5*w + v = -21 for w.

5