Solve 0 = -2*q + 5*s + 20, 4 = 14*q - 10*q - s for q.

0

Solve 3*x = 5*x + m + 3, -15 = 5*x - 5*m for x.

-2

Solve 27 = 4*t - 2*t + 3*a, a = -2*t + 17 for t.

6

Solve 2*c = 4, -c + 6*c = r + 9 for r.

1

Solve 0 = 2*x - 2*i + 10, -10 = -4*x + 6*x + 3*i for x.

-5

Solve 4*q - 2*q = 3*h - 25, q = 4*h - 25 for h.

5

Solve -3*j + 6 = 5*p - 2*p, 5*j - 37 = 4*p for p.

-3

Solve -o + 4*i + 12 = -4, 0 = 4*o - i - 19 for o.

4

Solve 2 = 5*q - 4*f + 8, 5*q - 2 = 2*f for q.

2

Solve -x + 5*x = -4*c - 12, 4*x = -c for x.

1