Solve 6 - 1 = f, m = 2*f - 7 for m.

3

Solve -10*s = -5*s - 5*z - 10, -4 = -2*s - 2*z for s.

2

Solve -3*k = 4*j - 11, -5*k - 15*j + 10 = -10*j for k.

-3

Solve -2*w - 16 = -5*i, -5*w - 4*i - 4 = 3 for w.

-3

Solve -5*r - 22 = -4*u, -10*r = -5*u - 15*r + 5 for u.

3

Solve 0 = 2*s - 9*j + 4*j + 16, 4*s - j = 4 for s.

2

Solve 0 = 3*w + 3*t, -w - 5*t - 14 = -3*w for w.

2

Solve -12 = x - 5*j + 2, -x - 5*j + 6 = 0 for x.

-4

Solve -u - 12 - 1 = -4*r, 5*r + 4*u - 32 = 0 for r.

4

Solve -4*w - 2 = -4*o + 6, 5*w - 3*o = -16 for w.

-5