Solve -f - 2*l + 7 = 0, -5*f + 3*l = 2*l - 2 for f.

1

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

0

Solve 4*y - 2*m = -m - 1, 3 = 3*y - 2*m for y.

-1

Solve 3*b + 5*j - 21 = 0, -38*b + j = -42*b + 11 for b.

2

Solve -5*r - l - 5 = 0, 2*l = 4*r - 2*l + 4 for r.

-1

Solve 5*a - 10 = 5*o, -3*o - 2*a + 0 = 21 for o.

-5

Solve k - 3*j = 9 - 2, 3*j = -3 for k.

4

Solve 0 = 2*j - 4, j = -m + 2*j - 3 for m.

-1

Solve -3*f + 5*d - 25 = -30, 4*d = -4 for f.

0

Solve 2 = -2*w - 2*h, 5*w + 5*h + 3 = w for w.

-2