Solve -13 = -3*r - 2*g, -5*r + 28 = 3*g - 6*g for r.

5

Solve 5*h = -2*p + 4, -3*p - 13 = 3*h - 10 for p.

-3

Solve b = -5*t - b, 0 = 5*t + 5*b - 15 for t.

-2

Solve -7*x = 5*t - 6*x + 15, 0 = 5*t - 2*x for t.

-2

Solve 3*k - r + 0*r = 2, -5*k - 2*r - 4 = 0 for k.

0

Solve -7*k = -5*k - 2*j - 2, -k = -2*j + 1 for k.

3

Solve 2*o = 4*y + 12, 0 = 3*o - 13*y + 17*y + 12 for o.

0

Solve -2*y - 5*i + 1 = 0, 0 + 11 = 4*y + i for y.

3

Solve c + 2*q + 8 = 0, -2*q - 19 = -2*c + q for c.

2

Solve 2*n + 31 + 0 = 5*u, 0 = -2*n + 2*u - 16 for n.

-3