Solve 4*j - l = -4*l + 21, -2*j - 5*l + 21 = 0 for j.

3

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

-1

Solve -5 - 13 = 5*f - 3*r, -8 = 3*f + r for f.

-3

Solve 23 = -3*r - 6*v + 2*v, -2*r + 5*v + 23 = 0 for r.

-1

Solve -2*w - 2 = -p, -5*p = 4*w - 5 - 19 for w.

1

Solve 6 = -c - t, 3*c = 4*t - 40 + 43 for c.

-3

Solve 7*y - 11*y + m = -23, 4 = 2*y + 2*m for y.

5

Solve 0 = 10*v - 12*v - 2*y + 10, 0 = -2*v + 3*y - 15 for v.

0

Solve 0 = -2*m + 4, 5*z - 12 = z + 2*m for z.

4

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

4