Suppose -40 = -t - t. Solve 5*i - 5 = -t for i.

-3

Let x be (-14)/(-21)*((-15)/(-2))/5. Solve 4*c - x = 11 for c.

3

Let w(l) = 2*l3 + 4*l2 - 6*l + 2*l2 + 8 - l3. Let u be w(-7). Let p(i) = 2*i**2 + i. Let m be p(u). Solve -m*c + 0 = -12 for c.

4

Let y(t) = t**2 - t. Let o be y(2). Let w be (-1 - 0)/(1 - 2). Let v = w - 1. Solve v = -0*h - o*h + 4 for h.

2

Suppose 6*i - 6 = 4*i - 2*b, -3*i = 2*b - 14. Solve -2 = 3*w - i for w.

2

Suppose -3*i + 12 = 0, 2 = -4*c + 3*i + 54. Solve -2*r + c = 2*r for r.

4

Suppose 2*w = 5*w - 168. Suppose -w = -0*h - 4*h. Solve -h = 4*d + 6 for d.

-5

Let v be ((-6)/(-4))/((-3)/(-20)). Suppose 0 = n + 3*i - 9, -i + 3 = -0*n + 3*n. Solve n = -0*c - 2*c + v for c.

5

Suppose 2*l = 3*l. Solve l = -4*w - 1 + 17 for w.

4

Let s(k) be the second derivative of k412 + 5*k36 + 2*k**2 + 5*k. Let g be s(-4). Suppose 0*m = -3*m - 4*u - 1, -19 = -3*m + u. Solve -i + m*i = g for i.

0