Let a(s) be the third derivative of s4⁄12 + 7*s3⁄6 - 7*s**2. Let o be a(0). Solve 4*k = 27 - o for k.

5

Let x = -8 + 17. Let r be (-45)/(-10) - x/(-6). Solve r*d - d - 15 = 0 for d.

3

Suppose -3*n = -2*g + 10 - 1, -3*n + 3 = 2*g. Suppose 12 = 2*d - 5*y, -3*d + 2*d - 4*y = -6. Solve -z = -g*z + d for z.

3

Let u(b) = 5*b - 15. Let q(g) = 6*g - 16. Let r(a) = 6*q(a) - 7*u(a). Let o be r(-7). Suppose -o*i + 9 = i. Solve -i*h - 8 = -h for h.

-4

Let j be 18/(-4)*(-8)/4. Solve -4*o = -11 - j for o.

5

Let n(j) = j**2 + j - 4. Let m be n(-4). Suppose 3*o - 43 = -2*x, 65 = 4*o - 5*x - 0*x. Suppose -3*v = 5*u - 15, -u = u + 3*v - o. Solve m = -u*w - 2*w for w.

-4

Let i = 14 - 14. Solve w + i*w = 4 for w.

4

Let q® = -r3 + 7*r2 + 6*r - 11. Let t be q(8). Let p = t + 30. Solve p*j = 7*j - 20 for j.

5

Suppose -13 = -2*z + r, z + 3*r = 3*z - 15. Let g be ((-14)/21)/((-4)/z). Solve 0 = n + g + 2 for n.

-3

Suppose 3*l + l - 16 = 0. Let z(p) = -p3 + 5*p2 + p - 4. Let s be z(5). Let q(y) = 15*y + 1. Let u be q(s). Solve 3*a + u = l for a.

-4