Solve 12 = -3*f, -4*f = 4*s + 5 + 3 for s.

2

Solve -32 = -6*w + 5*n, 85*w - 86*w + 2*n + 10 = 0 for w.

2

Solve 5*w = 2*z - 5, 13*w + 5 = -4*z + 8*w for z.

0

Solve 3*u - 2*d - 1 = 5, -2*u - d = -11 for u.

4

Solve t - 2 = 2*g, 5*g - 7 = -t + 2 for g.

1

Solve 4*r - 2*f + 20 = 0, 18 = -171*r + 169*r + 5*f for r.

-4

Solve 3*i = -f + 2, -i - 6 = -6*f + 3*f for f.

2

Solve 4*x - 4*u = -24, -4*x + 2*u = -46 + 68 for x.

-5

Solve -2*q + 4*q - 10 = 0, 5*u - q + 10 = 0 for u.

-1

Solve 74*g = -4*t + 77*g - 6, 4*t - 4*g = -12 for t.

3