Solve -2*f - 50 = -3*f + 5*f - z, 2*z = 4*f + 52 for f.

-12

Solve -3*c + 41 = r, 11*c + 3*c - 36 = 11*c for r.

5

Solve 3*m = -9, -10*q + 20*q - 7*q - m - 51 = 0 for q.

16

Solve -5*c - 39 = 42*j - 44*j - 14, -6*j - 7*c + 9 = 0 for j.

5

Solve 33 - 5 = -w + 5*x, 2*w + 3*x - 6*x = -42 for w.

-18

Solve -4*i = -15*u - 4*u - 108, -4 = -2*i - 3*u for i.

8

Solve 7*x = -2*i - 29, -2*i + 1 = 23 for x.

-1

Solve 0 = -2*n + 5*j + 32, 32*n - 63*n + 33*n - 24 = 4*j for n.

-4

Solve 13*d - 9*d + 2*g = d + 56, 3*g - 84 = -5*d for d.

0

Solve 0 = 39*x - 44*x + 2*a + 5, -131*a + 46 = -21*x - 136*a for x.

-1