Solve 7 = -3*a - 0*c + c, 2*a + c + 13 = 0 for a.

-4

Solve 6*w = w + 10, 0 = 4*i - 2*w + 12 for i.

-2

Solve -a = -5*s + 24, 5*a - s - s = -28 for a.

-4

Solve 85*c - 87*c = -2*z + 10, -5 = -4*c - z for c.

0

Solve -2*s - 6 + 19 = l, 2*l = 5*s - 10 for l.

5

Solve 4*q - 4*c - 1 - 3 = 0, -12 = 3*q + 2*c for q.

-2

Solve -6 = -2*r, -3*p + 7*p - 13 = -3*r for p.

1

Solve -2*o - 4*q + 11 = 39, 0 = -2*o + 5*q + 17 for o.

-4

Solve 7*f = 4*f + 3*a - 3, 3*f - 4*a + 1 = 0 for f.

-3

Solve 0 = -3*j + h + 5 + 6, -2*h - 8 = j for j.

2