Solve 0 = -z - 2*z - w + 9, 0 = 5*z + 5*w - 15 for z.

3

Solve 2*d = 5*m + 11, 21*d - 3 = 20*d for m.

-1

Solve 0 = 3*t - 8 - 4, -5*t + 50 = -5*y for y.

-6

Solve 4*m + 0*m - 3*o = 0, -3*o = 3*m + 21 for m.

-3

Solve j = f - 2, 4 = 5*f - 6*j + 3*j for f.

-1

Solve 4*p + 3*z + 13 + 16 = 0, 2*z = -4*p - 26 for p.

-5

Solve 7*j - 2*j - 10 = 3*n, j = 3*n + 2 for n.

0

Solve m - 5*h = -9*h + 9, 3*h - 8 = -m for m.

5

Solve -5*t - 14*h + 15 = -19*h, -2*h = -t + 1 for t.

5

Solve -5*l + 4*k = 15, 5*l - 5*k = 6*l - 26 for l.

1