Solve -12 = 2*v - 4*b, 5*v - 24*b + 20*b + 24 = 0 for v.

-4

Solve -5*u + 15 = -5*k, 5*u - 15*k + 12*k = 11 for u.

1

Solve 5*z - 20 = 2*w, 75*z - 5*w = 77*z - 37 for z.

6

Solve 3*j = -3*k + 3, 5*k - j = 14*j - 75 for k.

-3

Solve 4*q + 12 = 4*f, -4*f - 4 = -6*f for q.

-1

Solve 5*f = -0*a - a + 21, f - 17 = 3*a for f.

5

Solve 5*v = -5*j - 25, -100 = -4*j - 3*v - 117 for j.

-2

Solve 3*b = -5*a - 29, 0*b = -4*b + 4*a + 4 for b.

-3

Solve 2*m = -2*t - 0 + 8, 3*m - t = -4 for m.

0

Solve 3*a - 2*z = 13, 50*a - 46*a - 4*z = 16 for a.

5