Solve -4*p + 4*s - 20 = 0, -4*s + 5 = -11 for p.

-1

Solve 20 = -5*f + 5*p, -p - 13 = 5*f + 1 for f.

-3

Solve -87 = -s + n - 83, -s + 4*n + 7 = 0 for s.

3

Solve -7 = -a + 2*f - 1, a + 3*f = -4 for a.

2

Solve -3*m - 7*k + 8*k - 2 = 0, -2*k + 4 = 2*m for m.

0

Solve 7*q = -4*z + 5*q + 14, 6 = -4*z + 2*q for z.

1

Solve o + 5 = 6*o, -o = -2*i - 9 for i.

-4

Solve 0 = 2*b - 5*b + g + 4, 2*b + 2*g + 8 = 0 for b.

0

Solve 76*n - 79*n = c + 8, n - 5*c = -40 for n.

-5

Solve 7*y - 6*y + 3*z = -16, -5*y + 5*z + 20 = 0 for y.

-1