Solve 2*r = -2*x + 6, -393*x + 7 = -390*x + 2*r for x.

1

Solve 6 = 4*s - r, 2*s + 2*r + 1 = -1 for s.

1

Solve g = -2, 5*y = 5*g - 25 + 10 for y.

-5

Solve -q - 2*q = 4*j - 11, 4*q = -4*j + 12 for q.

1

Solve 0 = 3*x - 15, -5 + 13 = y + 2*x for y.

-2

Solve -2*t + 0 = 4, 5*o = 4*t - 7 for o.

-3

Solve 5*n + 25 = 0, 5*n + 5 = -m - 3*m for m.

5

Solve -y - 3*n + 3 = 13, 3*n + 20 = 4*y for y.

2

Solve -2*j = -5*g - 23, -13*g + 16*g + 3*j = 3 for g.

-3

Solve -b - o + 12 = 4*o, -b = -3*o + 12 for b.

-3