Solve 2*d - 4 = -2*x, x - 4*d - 4 = -3*d for x.

3

Solve -2*j + 10 + 4 = 3*u, -3*u + 9 = -3*j for j.

1

Solve -3*w - 2*x - 15 = 0, -w - 12 = 4*x + 3 for w.

-3

Solve -2*f = -4*u + 14, -3*u + 8*f = 3*f - 14 for u.

3

Solve -5*b = -3*b - 4*d + 2, -d = -b for b.

1

Solve -8 = -4*b, -3*a + b - 23 = -3*b for a.

-5

Solve 0 = q - 3*x - 8 + 6, -q = 2*x - 7 for q.

5

Solve 20*k + 35 = -2*i + 25*k, -4*k = -3*i - 35 for i.

-5

Solve 0 = -5*g - u - 50, 2*g = 21*u - 26*u - 43 for g.

-9

Solve 0 = x - 5, 2*s = -5*x + 7 + 20 for s.

1