Let a = 9 - 9. Solve -c + 4*c = a for c.

0

Suppose 4*k = 3*t - 18 + 1, 5*k - 12 = -t. Let r = 7 - t. Solve 0 = 5*y - r*y - 25 for y.

5

Suppose 60 = 11*u - 5*u. Solve 0*q - u = 2*q for q.

-5

Let s(l) = -l3 - 8*l2 - 11*l - 28. Let k be s(-7). Solve k*b = b for b.

0

Let i = 197 + -181. Solve 0 = i*o - 15*o + 1 for o.

-1

Let o = 151 + -145. Solve 0 = -4*k - 10 + o for k.

-1

Let i be (5 - 1) + 5 + -3. Solve i*j = j for j.

0

Suppose -5*h = -7*h. Suppose -27 + 7 = -5*g. Solve -k - g*k = h for k.

0

Let b be 2/(-4)*2*0. Solve b = 2*i + 3*i - 20 for i.

4

Suppose -3*n = -n - 12. Solve -2 = 4*c - n for c.

1