Let h = -4 - -4. Solve h = -4*d + 4 + 16 for d.

Let q(t) be the first derivative of -t³⁄₃ + 7*t²⁄₂ + 2*t - 2. Let m be q(6). Solve -5*n = -m - 17 for n.

5

Let v be (1 - 3) + ²⁰⁄₅. Solve v*h = -0*h + 6 for h.

3

Suppose -109 = -4*g + p + 62, 0 = -3*g + 3*p + 126. Let r = g - 13. Suppose 4*l - r = 5*u, u = -3*u + 8. Solve -6*t - l = -t for t.

-2

Suppose -q + 2*q = -5*q. Solve 0 = -s - q*s + 4 for s.

4

Suppose -1 - 11 = -3*t. Solve 0 = -2*x + t*x + 4 for x.

-2

Let r(p) = -p**2 - 2*p + 7. Let w be r(-3). Solve -w*u - 4 = -5*u for u.

4

Suppose 2*v + u = 54 + 21, 5*v - 180 = -4*u. Let o = -20 + v. Solve -7*z - o = -3*z for z.

-5

Let m(w) = 0*w - 7 + w2 - 4*w - 2*w. Let s be m(7). Let p(q) = -q3 - 7*q**2 + 6*q. Let g be p(-8). Solve s = -4*a - 0*a + g for a.

4

Let p(d) = -2*d**2 - d. Let o be p(0). Solve o = 4*t + 11 - 3 for t.

-2

Suppose -3*o = -4*v + 5, -4*v + 2*o = -2*o. Solve -13 = v*t + 12 for t.

-5