Solve -2*k + 8 = 5*w, w - k = 12 - 9 for w.

2

Solve 4*c = 5*a + 5, 2*c = 4*a + 11 - 7 for c.

0

Solve i + 2*z - 2 = -5, -5*i - 15 = 2*z for i.

-3

Solve -3*u + 15*h + 5 = 10*h, -3*h = -4*u + 14 for u.

5

Solve 4*i = -2*c, 3*c - 8 = 2*i - 0*c for i.

-1

Solve 2*a + 3*q - 3 = 0, 0 = -4*a - 3*q - q + 4 for a.

0

Solve -2*p - 8*z + 2 = -7*z, 1 = -p - z for p.

3

Solve 4*n = 3*h + 24, 0 = n - 3*h + 9 - 24 for n.

3

Solve -2*t = r - 0*t - 1, 3*t = 0 for r.

1

Solve -3*m - 5 = x, -2*m + 2*x + 3*x = -8 for m.

-1