Let s = -1 + 3. Suppose 3*r + s*r = u + 13, -4 = 4*u - 4*r. Solve 0 = -3*f + f + u for f.

1

Suppose -w = -12 + 4. Let u = 4 + w. Solve 0*x + 4*x - u = 0 for x.

3

Let p = -9 + 21. Suppose 4*g + p = 2*q - 0*q, 3*q = -4*g + 38. Solve i + 4*i + q = 0 for i.

-2

Suppose -5*w - 3*m + 9 = 0, -2*m + 0 = -6. Solve 2*b + 3*b - 20 = w for b.

4

Let b(g) = -g**2 - 3*g + 2. Let h be b(-5). Let j be -5*h/10*1. Solve f - j*f + 15 = 0 for f.

5

Let h be 3/((-3)/(-3)) + 1. Suppose -1 - 15 = -h*x. Solve 19 = 3*d + x for d.

5

Suppose -66 + 18 = -4*x. Solve x = v + 2*v for v.

4

Let i(a) be the second derivative of -a5⁄20 - a4⁄2 - a3⁄2 - 2*a2 - a. Let y be i(-6). Let c = y + -2. Solve 5*n - c = 3 for n.

3

Suppose 0 = 4*t - 8, 2*a - 2 = -3*a + 4*t. Suppose -d + u + 8 = -4*u, -2*u + 4 = a*d. Solve -d*v - v = 16 for v.

-4

Suppose -51*y + 50*y + 6 = 0. Solve -y*j = -4*j - 10 for j.

5