Solve -238*z + 237*z = -4*d + 15, 3*z + 27 = 3*d for z.

-7

Solve 2*i - 4*c - 10 = 0, 3*c + 12 = i - 4*i for i.

-1

Solve 2*q = 8, -3*r - 17*q + 30 = -14*q for r.

6

Solve 5*w = -2*i + 18, -21*w = -2*i - 20*w - 6 for i.

-1

Solve -p + d = -10, 3*p - d - 20 = -0*p for p.

5

Solve 2*w + 6 = -n, 5*n = 3*w + 1 + 8 for w.

-3

Solve 0 = 4*g + 4*r - 12, 0 = -2*r + 18 - 10 for g.

-1

Solve 3*g = -3*a - 1 + 19, a - 3 = 2*g for g.

1

Solve 3*i = -j - 15, 4*i - 6*i - 10 = -j for j.

0

Solve 0 = -4*r - 40 + 36, -3*x + r = -10 for x.

3