Solve -7*u + 3*u + 4*x + 4 = 0, 5*u + 3*x = -35 for u.

-4

Solve 5*r + 5*o - 12 - 13 = 0, -2*r = 3*o - 10 for r.

5

Solve 2*h - 2 - 1 = 3*q, -2*q + 17 = 5*h for h.

3

Solve -5*n - 4*f + 6*f + 12 = 0, -f + 20 = 4*n for n.

4

Solve -k + 3*k - 4*m = -14, -18 = 3*k - 3*m for k.

-5

Solve 0 = 2*q + 4*w - 6, 33 - 38 = -5*w for q.

1

Solve 0 = -3*h + h - 4*n + 6, -4*h + 2*n = -12 for h.

3

Solve -3*j + 4 = 3*x - j, 2*x = 2*j + 16 for x.

4

Solve 5*o = -r - 18, 0 = -5*r + 10*o - 9*o - 12 for r.

-3

Solve 0*t + 8 = 3*i - t, 4*i + 16 = -2*t for i.

0