Solve -7*a + 2*r = -6*a - 4, 5*a = 4*r - 4 for a.

-4

Solve -3*o = 2*o + 4*k - 40, 0 = -4*k + 20 for o.

4

Solve 3*b + 9 = -g + 12, g = -4*b + 5 for g.

-3

Solve x = 4*s - 7, -2 = 4*x - 2*x - 2*s for x.

1

Solve -4*p = -3*o - 32, -2 = 2*p + 10*o - 7*o for p.

5

Solve -2*s = 2, -5*m + 2*s = -0*s - 27 for m.

5

Solve k + 3*w + 7 = 0, -2*k - 1 - 1 = 3*w for k.

5

Solve -11 = 4*y + v, -15 = 3*y + 8*v - 5*v for y.

-2

Solve 5*k = 2*q - 18, -4*k + 91 - 110 = 3*q for k.

-4

Solve -4*o - 9 = 7, -3*x - 7 = -2*o for x.

-5