Solve 3*m + 2*m = 20, i - 4*m + 12 = 0 for i.

4

Solve -4*l = -3*x - 1 - 7, x - 19 = -3*l for l.

5

Solve 18*s - 16*s - 4 = -p, -5 = -5*s - 5*p for s.

3

Solve 2*q - 12 = -3*i, 3*i = 3*q + 2*i + 4 for q.

0

Solve -351 = -5*r + 4*b - 330, -4*r - 2*b = -22 for r.

5

Solve 3*v + 4*f = -3, -340*v + 342*v + 4*f = -6 for v.

3

Solve l + 11 = -5*y, -5*l + 5*y = 15 - 20 for l.

-1

Solve 4*r + 20 = 4*s, -4*r - s - 11 - 4 = 0 for r.

-4

Solve -4*y - 13 = -c - 3*y, -3*c - 6*y = 33 for c.

5

Solve 0 = 5*x - 5*z - 5, -115*x + 112*x + 5*z = 1 for x.

3