Solve -a - 6 = -3*z, -a + 34 = 31 for z.

3

Solve y + 12 = 3*v + 19, v = -5*y - 13 for y.

-2

Solve 3*w = 5*l, 72 - 86 = -w - 3*l for w.

5

Solve -5*l = -4*m + 6 - 4, 12 = -3*m - 3*l for m.

-2

Solve 0 = -5*i + 2*s + 35, -3*s - 30 = -3*i - 0*s for i.

5

Solve a = -3*u + 15, u + 2*a = -u + 10 for u.

5

Solve -29 = -5*y - g, -206 = 3*g - 218 for y.

5

Solve 2*x - 2*o + 3*o = -2, 13*o + 52 = 0 for x.

1

Solve 17*z - 3*l - 41 = 13*z, -5*z = -4*l - 53 for z.

5

Solve -3*n + 2*u = 6, -18*n + 13*n = -3*u + 10 for n.

-2