Solve u + 2*i = -0*u - 6, 0 = 3*i + 12 for u.

2

Solve 3*w - 15 = 0, 4*w - 35 = -2*r + 7*r for r.

-3

Solve 2*c - u = -3, -2*c + 7*u - 3*u = -12 for c.

-4

Solve 25 - 30 = 5*x - 2*n, 3*n - 19 = -4*x for x.

1

Solve -5*n - 25 = 0, -4*m - 40 + 26 = 2*n for m.

-1

Solve 4*q + 8 = -4*j, j - q = -5*q + 7 for j.

-5

Solve -s = 3*l + 7, s + 3 = 2*l + 11 for s.

2

Solve -3*s - 13 = 3*t - 4*s, 4*t + 4*s = 4 for t.

-3

Solve 0*n + 3*g + 27 = -3*n, 4*n = 4*g - 4 for n.

-5

Solve 0 = 4*n - 16, -5*j = -n + 25 + 4 for j.

-5