Solve -w = -t - 14 + 21, w = 3*t - 13 for t.

3

Solve -f = s - 1, 0 = 3*f - 2*s + s - 7 for f.

2

Solve -4*h + 18 = 121*i - 119*i, 0 = -4*i + 4*h for i.

3

Solve 2*m + 4*y - 26 = 0, -5*m - 4*y + 41 = -0*m for m.

5

Solve -5*s = -2*u + 9, -2*s - 3 = 3*u + 12 for u.

-3

Solve 4*m = -5*f - 15, 0 = 50*f - 47*f - m - 8 for f.

1

Solve i = 2*s + 13, 3*s + 17 = 2*i - i for s.

-4

Solve u + 1 = -4*h, 3*h - 3*u + 2 - 5 = 0 for h.

0

Solve 20 = -4*l - g + 38, 3*l - 5*g = 2 for l.

4

Solve -4*n - 13 + 1 = 4*f, -2*f - 3*n - 4 = 0 for f.

-5