Solve 2*f + u + 10 = 0, -2*u - u - 6 = 0 for f.

-4

Solve 0 = 2*d - 9*u + 12*u + 15, 2*d + u = -5 for d.

0

Solve s = 3*y - 14, 3*y = 104*s - 100*s + 20 for s.

-2

Solve 4*o - 3*r = -13, 13*o - 18*o = r + 2 for o.

-1

Solve 5*q - 7*q = -4*a - 2, -3*a = -2*q for a.

-2

Solve -2*f - 1 = 6*j - 3*j, 4*j - 5*f - 37 = 0 for j.

3

Solve -13 = 2*a + 5*z, 0 = 3*a - 3*z - 1 - 11 for a.

1

Solve 2*y + 2*r = -3*r - 4, 3*r - 3 = -3*y for y.

3

Solve 0 = 4*i - 4*v - 28, 0 = -74*i + 79*i + 2*v - 14 for i.

4

Solve 0 = 4*n - n - 15, 3*v = -8*n + 31 for v.

-3