Solve -5*a + 30 = m, -11 - 4 = -3*m for a.

5

Solve 0 = 4*v - 4*i + 8, -31*v + 33*v = -4*i + 8 for v.

0

Solve -4*z - 10 = -16*s + 18*s, -5*s - 25 = 5*z for s.

-5

Solve v = 2*z - 9, 6*z + 2*v - 2 = 5*z for z.

4

Solve -5*x + 5 - 13 = -y, -x - 2 = 0 for y.

-2

Solve 4*m = m - j + 13, -5*j + 20 = 0 for m.

3

Solve -3*o + 2*x + x = 9, 5*o - x + 3 = 0 for o.

0

Solve 2*a = 3*j + 3*a + 13, -15 = 3*j + 3*a for j.

-4

Solve 2*w + 3*r - 9 = 0, 3*w + 0*r - 10 = -r for w.

3

Solve -6*c + 3*c + 1 = p, c = 3*p - 13 for c.

-1