Solve 0*y - y + 6 = -f, 2*f - y + 7 = 0 for f.

-1

Solve -4*f - 16 = -4*b, -5*f - 2*b + 11 = 31 for f.

-4

Solve -5*s + 3*h = 13 - 4, 5*h - 15 = -3*s for s.

0

Solve 2*o - 4 = p, -13*p + 12 = 4*o - 17*p for o.

1

Solve 3*x - 4*x + 5*w + 7 = 0, 5*x - 11 = w for x.

2

Solve -24 = -4*p, i = 73*p - 75*p + 16 for i.

4

Solve 5*a - z = 30, -z - z = 4*a - 10 for a.

5

Solve 0 = -2*i - 6, -3*o - 57*i + 9 = -62*i for o.

-2

Solve -4 = -c + y, 4*c + 3*y - 16 = -35 for c.

-1

Solve 3*c + 3*b = 15, -3*c + 9 = -b + 2*b for c.

2