Suppose 2*s - 39 = 9. Suppose 0 = 3*i - 0*i - s. Solve 4*c + 12 = -i for c.

-5

Let r(q) = q**2 - 8*q + 10. Let o be r(7). Let k be (o/4)/(1/(-4)). Let y(m) = -m - 3. Let h be y(k). Solve 0 = -4*u - h + 12 for u.

3

Suppose 0 = 4*b - 5*w - 5 - 9, 3*b + 5 = -4*w. Suppose -4*s + b = -3. Solve x - s = 4 for x.

5

Suppose 2*z - 5*n + 6 = -4, 2*z = -n + 2. Solve z = 4*d + d for d.

0

Suppose -4*o + 0*g + g = -25, 0 = o + g. Suppose 5*b - 18 - 7 = 0. Solve -b*h + 25 = o for h.

4

Suppose 3*u - 21 = -3. Suppose 0 = -h + 5*p - u, 3*h + 4*p - 12 = 2*h. Solve h = c - 3*c for c.

-2

Let z® = -r - 7. Let o be z(-9). Suppose -o*p - 1 = -9. Suppose 0 = 3*d + 1 - p. Solve 1 + d = -u for u.

-2

Suppose -70 - 10 = -5*a. Suppose x - 5*x + a = 0. Solve -x*t = -5*t + 2 for t.

2

Let b(d) = d**2 - 4*d + 2. Let u be b(4). Solve 0*n + u = n for n.

2

Suppose 3*t = -5*l - 3, l + 3 = 4*l - 3*t. Solve 3*c - 14 + 2 = l for c.

4