Solve 0 = -5*t - 20, 2*t + 11 = 2*z - 5 for z.

4

Solve q - 2*q = -3*r - 15, -3*q + 5*r + 25 = 0 for q.

0

Solve 3*z - 3*m = 6, -2*m + 22 = -4*z - 4*m for z.

-3

Solve -r + 1 = 0, 4*c + 12 = 3*r - 7 for c.

-4

Solve 4*x = 6*l - l - 12, x = 3*l - 3 for x.

-3

Solve s - 2*c + 2 = 7, -4 = -2*s - 2*c for s.

3

Solve 3*w = -27*d + 22*d + 5, 0 = 5*w - 25 for d.

-2

Solve -2*q = -w - 3, -8*w - 12 = -3*q - 5*w for q.

-1

Solve -5*q = -0*a + 3*a + 27, -15 = 5*q for a.

-4

Solve i - 2*i = 2*h - 1, -3 = 2*h - 3*i for h.

0