Suppose 15*x - 80 = -x. Solve 4*d + d + x = 0 for d.

-1

Suppose 21 = -5*b + 3*c, -2*b = 5*c - 1 - 3. Let a be (4/(-4) - b) + -1. Suppose -m + 5*m = 8. Solve t - a = m for t.

3

Let c(a) = -a**2 - 3*a + 1. Let t be c(-4). Let d be (7 + t)/(-1 + 3). Let v be (9 - 3)/((-1)/(-2)). Solve -d*q - q = -v for q.

4

Let x(t) = t3 - t2 - t + 5. Let i be x(0). Solve y = i*y - 16 for y.

4

Suppose 0 = q - 4*h - 32, -3*q = -h - h - 46. Suppose 5*g + s = -3*s + 16, -4*g + q = 4*s. Solve 4*a - 3*a = g for a.

4

Suppose 9 = -2*o - 3*m, -3*o = -5*o + m + 11. Suppose t - 5 = 0, -3*v + 3*t = 12 - o. Solve 6 = v*i - 0 for i.

3

Suppose 23 = n - v, 5*v + 43 = 4*n - 2*n. Suppose 4*h - n = -q - 3*q, 4*h + 3*q = 22. Solve h*s = 5*s - 1 for s.

1

Let x = -19 - -21. Solve -w - x*w = -12 for w.

4

Let i = -10 - -13. Suppose 0 = -z + 5 - i. Solve 8 = -6*s + z*s for s.

-2

Let i(s) = -4*s - 4. Let d be i(-3). Solve 5*j - 15 = d*j for j.

-5