Solve 0 = -4*y + 4*d - 20, -5*y + 20*d - 19 = 17*d for y.

-2

Solve -212*o - 4*m = -217*o - 15, -2*o + 2*m - 8 = 0 for o.

1

Solve -5*b = 2*j + 5, 11*j - 9*j = b + 13 for j.

5

Solve -23*z + 19*z - 16 = -5*q, -q = -4*z for z.

1

Solve -g + 3*f - 6 = 0, 7*f - 5*f = 4 for g.

0

Solve 8 = -p + 4*h - 9, 2*h = 3*p + 21 for p.

-5

Solve 8 = r + r, t - 2*r + 6 = 0 for t.

2

Solve 4*s = -3*z + 3, 4*z = -8*s + 11*s + 4 for s.

0

Solve 22 = -2*f - 3*g, 0 = -2*g + 7*g + 20 for f.

-5

Solve 13 = 4*h + 3*g, 28*g - 20 = -4*h + 32*g for h.

4