Solve 2*o + 4*c + 30 = 0, -4*c = 5*o + 24 + 21 for o.

-5

Solve -j + 5*i = 3*j - 4, 5*i - 4 = -4*j for j.

1

Solve 4*w + 4*m - 32 = 0, -3*w = -7*w + 3*m + 11 for w.

5

Solve -4*q = -5*o + 5, 3*q = 4*o - 7 + 2 for o.

5

Solve 5*m = -7 - 8, 2*x + 3*m + 13 = 0 for x.

-2

Solve x = 4*a + 2, 0*a + 2 = x - 3*a for x.

2

Solve 4 = s, 0*s + s = -3*k + 13 for k.

3

Solve -3*f - 7*o = -12*o - 13, -5*f = -4*o for f.

-4

Solve 4*u - 3*u = -4*j + 13, 3*j - 5 = 4*u for j.

3

Solve -4*h + 4 = -4*l, 32 = 3*l - 4*h + 39 for l.

3