Solve 5*f - 12 = -2*x, f + 4*x + 7 = 13 for f.

2

Solve -2*a + 5*o = 24, -4*a - 73 + 35 = -5*o for a.

-7

Solve -5*h - 2*c = c - 17, 0 = -4*h - 3*c + 16 for h.

1

Solve 6 = -4*m + 3*i - 5, -i + 1 = -4*m for m.

1

Solve -3*v = -2*v - z, -2*v = -z for v.

0

Solve -10 = 3*z - 3*q - 4, 16 = -3*z - 2*q for z.

-4

Solve -r + 2*j + j + 17 = 0, 2*j = 4*r - 18 for r.

2

Solve 0 = 3*y + 5*i - 14, 0 = -3*y + 4*y + 4*i - 14 for y.

-2

Solve -3*f - 9 = -3*i, f + 1 = -i - 2*f for i.

2

Solve 2*i + 5*v = 2 - 0, -2*v - 12 = 4*i for i.

-4