Solve 2*o - 5*y = 15, 2*o + y + 9 = -2*y for o.

0

Solve -31 = -c + 5*g - 21, 2*c + 4*g = 6 for c.

5

Solve 11 = 3*r - b, -r + 4 = 4*b + 9 for r.

3

Solve -1 = 2*w - 5*h, 5*w - 27*h = -22*h + 5 for w.

2

Solve a + 4*a - 9 = 3*v, -4*a + 5*v + 15 = 0 for a.

0

Solve -246 = 4*w - 262, 16 = 5*z - w for z.

4

Solve -2*w + 0*w = -3*f, f - 2*w = 0 for f.

0

Solve 2*g - 21 = -5*q - g, -2*q + g + 4 = 0 for q.

3

Solve q - 26*h + 31*h + 10 = 0, 3*h = -3 for q.

-5

Solve 3*x = b + 7, -b + 0 - 11 = -5*x for x.

2