Suppose 0 = 2*d - 11*d + 81. Solve 2*u + u = d for u.

3

Suppose -3*b + 7 + 2 = 3*s, 19 = 3*s + b. Suppose 0 = s*a - 4*a. Solve -d + 2 + a = 0 for d.

2

Let g = 2 + 1. Solve 8*x - g*x = 0 for x.

0

Suppose -4*a + 23 = -57. Let l = 23 - a. Solve l*h = -h + 20 for h.

5

Let d = -6 + 9. Solve d = i + 4 for i.

-1

Suppose 0 = -f - 3*f. Solve f = -v + 6*v for v.

0

Let l be 12212 - 212. Let j be (46)/(l/15). Solve 2 = 3*c - j for c.

1

Suppose 5*x - 6 - 9 = 0. Solve -x*o = -2*o for o.

0

Let c(w) = 3*w3 - 2*w2 + 3*w - 1. Let k be c(1). Solve 0 = y - k + 1 for y.

2

Suppose -24 = -3*n - 18. Solve -n*b - 1 - 9 = 0 for b.

-5