Solve -15 = -2*a - a + 4*x, -3*a + 5*x = -15 for a.

5

Solve 3*n = -z - 15, z - 2*n - 10 = -2*z for z.

0

Solve o - z = -8, 5*o + 34 = 2*z + z for o.

-5

Solve -a + 5*g - 22 = 0, 13*g - 2 = a + 12*g for a.

3

Solve 16 = 5*y - 9, -r - 28 = -5*y for r.

-3

Solve -2*s - 4 = -2*o, o - 5 = 8*s - 10*s for s.

1

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

0

Solve 2*d + 10 = -2*s + 4, 0 = d - s - 5 for d.

1

Solve -5*x + 16 = l, -2*l + 2 = 2*x - 6 for x.

3

Solve 14 = -2*w + 3*b, -2*b = -5*w - 22 - 2 for w.

-4