Solve 2*o + 7 = c, -4*o - 5 = c - 3*o for c.

-1

Solve 5*n + i = -0*i + 5, -5*i = 25 for n.

2

Solve n - 5*v = -10, -23 = -3*n - 5*v + 7 for n.

5

Solve 8*x = 11*x - 4*l - 7, 2*x = 2*l + 6 for x.

5

Solve -10 = 2*i - 8, -28 = -5*o + 3*i for o.

5

Solve -a = a - k + 1, -3*k = -a + 12 for a.

-3

Solve 128*l = 130*l - 4*t - 4, 5*l + 1 = -t for l.

0

Solve 3*u + 15 = 3*k, 0*k + 4*k = 2*u + 10 for u.

-5

Solve -17 = -3*w + 5*m, -50 + 32 = -2*w + 5*m for w.

-1

Solve 15*c = 4*o + 20*c + 4, -16 = 4*c for o.

4