Solve 7 = -2*n + o, -n + 3*o = -o + 21 for n.

-1

Solve 3*i - 9 + 5 = 5*o, -i - o + 4 = 0 for i.

3

Solve 5*w = 11 + 14, -4*w = 4*x - 16 for x.

-1

Solve 5*c - 3*o - 35 = 0, o = -4*c + 5*c - 9 for c.

4

Solve -5*o - 4*i = 3, -14*i + 13*i = o for o.

-3

Solve -3*x - y - 9 = 0, -2 = 3*x - x + 2*y for x.

-4

Solve -o + 4 - 12 = -4*n, -3*o + 4 = 2*n for n.

2

Solve 4*y + 5*s = -28 + 1, -4*y = -5*s - 3 for y.

-3

Solve -3*b + 42*p - 43*p = -5, 0 = -5*b - 4*p + 13 for b.

1

Solve -5*c + 5 = a - 3, -4*a + 4*c - 16 = 0 for a.

-2