Solve -s = s + f + 1, 2*s + 2*f = -6 for s.

2

Solve 2*j + 11 = 3*m, 4*j - 7 = 5*m - 26 for m.

3

Solve 28 = -5*h + 3*n, -n = -4*h - 6 - 15 for h.

-5

Solve i = -3*c + 5*i + 16, 3*i = 3*c - 12 for c.

0

Solve 5*p - j = -8, -68*j = -p - 73*j - 12 for p.

-2

Solve -3*a + 9 = 3*s - 8*a, -2*s - 2*a - 10 = 0 for s.

-2

Solve -4*z = 4*l - 8, -13*z - 2*l = -14*z - 10 for z.

-2

Solve 5*f - 7 = 2*a, 0*f + 4 = -4*f + 4*a for f.

3

Solve 4*s - t = -11, -4*s - 7 = -2*t + 3 for s.

-3

Solve 0 = 2*w - 4*v - 6, -12*v + 3 = w - 11*v for w.

3