Let r = 81 - 81. Solve r*y = -y + 5 for y.

5

Let v be (-3 + (-15)/(-9))*15/(-10). Solve 0 = v*r - 6*r - 12 for r.

-3

Suppose 5*i - 10 = -5*j, 0 = 2*j - 1 + 9. Solve 6 + i = -4*l for l.

-3

Suppose 0*q + 2*q = 5*m + 30, -4*m = 0. Suppose -2*u - 26 = -4*p, -5*p + 2*p + q = 0. Let k be 12/(-9)*u - 2. Solve -2 = j + k for j.

-4

Let k = -43 - -53. Solve j = -4*j + k for j.

2

Let u be 10*((-6)/4 + 0). Let s(l) = -7*l + 7. Let t be s(4). Let i = u - t. Solve -z - 5 = -i*z for z.

1

Let m be (-1)/(-1) + 1 + 1. Suppose 15 = -0*b - m*b. Let a be b/5 + (-2)/(-2). Solve p - 3 - 1 = a for p.

4

Let a be 0/(-2 + 5 + -2). Solve 0 = 2*f - a*f - 8 for f.

4

Suppose 2*z = 2*x + 6, 2*z - 3*x - 9 = 4*z. Solve -4*y - 14 + 2 = z for y.

-3

Suppose 2*f - f = -1. Let r be f + (2 - 1) + 18. Solve r = -3*y + 3 for y.

-5