Solve 12*x + 20 = 9*x + 2*l, 3*l - 12 = 0 for x.

-4

Solve 19 = 4*c + 2*f + 11, -4*f = 5*c - 13 for c.

1

Solve -6 = 9*r + 2*y, -4*r + 4*y + 12 = -0*r for r.

0

Solve 2*a - u = 3, 296*u - 18 = -a + 291*u for a.

3

Solve -5*r - 2*w + 22 = 0, 6 = r - 2*w + 4 for r.

4

Solve 0 = -2*o - 3*i + 16, 3*o - i - 1 - 1 = 0 for o.

2

Solve 0 = -3*s - 5*u - 1, 0 = -42*s + 47*s - 4*u + 14 for s.

-2

Solve c + 17 = -3*i + 2*c, -2*c - 6 = 2*i for i.

-5

Solve 0 = 3*q - d - 1 + 6, 2 = q - 4*d for q.

-2

Solve -4*j + d + 18 = 0, -5 = 3*j + 5*d - 7 for j.

4