Solve -3*u + 34 = -5*s, -40 = -3*u + 2*s - 21 for u.

3

Solve -4*x + 30 = 4*c - 6*x, -5*c + 5*x + 55 = 0 for c.

4

Solve x - 6*x - 50 = -5*y, 0 = -y + 5*x + 30 for y.

5

Solve -1 - 13 = 3*d + x, 5*d - x + 18 = 0 for d.

-4

Solve -2*t = v, 0 = 4*t - 3*t - 4*v for t.

0

Solve 16 = 2*i + 5*x, 3*i - 5*x = -0*i - 1 for i.

3

Solve 0 = -4*y - 39*f + 34*f - 5, 5*y + 3 = -3*f for y.

0

Solve -5 = 4*f + f - 5*x, 5*f + 5*x = 15 for f.

1

Solve -3*y = -3*p - 2*y - 17, 2*p = -2*y + 2 for p.

-4

Solve 3*o - 3*i = -15, 47*o = 43*o - 5*i + 16 for o.

-1