Solve 0 = -z - 2*j + 12, -4*z + 1 + 3 = -3*j for z.

4

Solve 4*d - 1 = -t, 4*t + 8*d = 3*d + 15 for t.

5

Solve -2*z + 4*j = 28, -4*z - 3*j - j = -4 for z.

-4

Solve y + 27 = -5*q, -5*q + 18*y - 19 = 15*y for q.

-5

Solve 3*b = 5*p - 10, -2 = -2*p + 2 for b.

0

Solve 4*u + 5*s = u - 19, 6 = -4*u + 3*s for u.

-3

Solve -11*n + b - 21 = -7*n, 3*n + 17 = 2*b for n.

-5

Solve 20 = -5*n + 9*n + w, 20 = 4*n - 3*w for n.

5

Solve 51*h = 50*h - 6*d + 1, -d + 6 = -h for h.

-5

Solve 7*a + 5*i = 41, 2*a + 3 - 1 = 2*i for a.

3