Solve -z = s - 4, 3*s - 4 + 8 = 5*z for z.

Solve -4*d - 3*o + 2 = -5, 4*d - 31 = 5*o for d.

4

Solve 5*i + 15 = -3*r, -2*r + 4*i = 1 - 13 for r.

0

Solve -r = 2*a + a - 17, -2*a = 5*r - 33 for a.

4

Solve 4*u = -4*r + 6*r + 14, -5*r = 2*u - 25 for u.

5

Solve 7 = 5*v + 4*m - 24, 2*m = 2*v + 2 for v.

3

Solve 5*g + 5*z - 45 = 0, 8*z = -3*g + 4*z + 31 for g.

5

Solve -3*j + 7*j + 5*t - 22 = 0, -3*j + 5 = -2*t for j.

3

Solve 23 = -4*s + n, n + 2 = 5 for s.

-5

Solve -2*x = 5*w - 22, 0 = x + 2*x + 4*w - 19 for x.

1

Solve o - 5 = -2*u, 27*o - 1 = 30*o + 2*u for o.

-3