Solve 15 + 15 = 5*m + 2*d, 26 = 4*m + 2*d for m.

4

Solve 3*n - 7 = 2*b, -4*n = 3*b - 2 + 4 for b.

-2

Solve 0*d = 3*f + 2*d + 2, -5*f - 4*d = 0 for f.

-4

Solve 6*s = 4*s - 2*z + 8, 4*s + 11 = 5*z for s.

1

Solve 0 = -5*z + 4*a + 4, -z + 9 = -a + 8 for z.

0

Solve -w = -12*z + 15*z - 1, 5*w = -10 for z.

1

Solve 3*l + 2*q = 13, 17 = 4*l + 141*q - 138*q for l.

5

Solve l + 24 = 5*l + 2*b, 4*l + 4*b = 28 for l.

5

Solve 2*r + 0*r + 3 = d, -3*d - 3 = -3*r for r.

-4

Solve -4*o - 2*u = 2*u, 5*o = 4*u for o.

0