Solve 25 = 5*z, 5*f + 2*z = 7*z for f.

5

Solve -2*o - 5*l + 13 = 5, o + 3 = l for o.

-1

Solve m = z - m + 11, 12 = -3*z - m for z.

-5

Solve 0 = 2*p - 4*w + 8*w + 4, p - 7 = w for p.

4

Solve 0 = 5*m - 24*n + 26*n + 18, -2*m - 3*n - 16 = 0 for m.

-2

Solve 4*m + 28 = -4*g, -7*m + 5*m - 2 = -4*g for g.

-2

Solve -o + 3 = 3*d - 3, -5*d = -3*o - 10 for o.

0

Solve -5 = 2*c - 6*m + m, 5 = -5*m for c.

-5

Solve -2*y + 3*o - 5 = 0, -4*y + o - 19 = 4*o for y.

-4

Solve 20 = r - 4*j, 9*r = 4*r + 4*j + 36 for r.

4