Solve -4*c - 21 = -3*v - 2*v, -2 = c + 2*v for c.

-4

Solve -5 = -3*j + 2*a, -4*a + 0*a + 10 = -2*j for j.

5

Solve 3*m + 3 = -2*x, -6 + 1 = 3*x + 5*m for x.

0

Solve r - l = -3, -5*r - l + 3*l = 6 for r.

0

Solve -m + 8*a = 9*a - 3, 4*a = 2*m - 6 for m.

3

Solve 0 = 5*v + 5*q + 20, 0 = -3*q - 6 for v.

-2

Solve 0 = -5*v + j + 20, -v + 3*j + 10 = 4*v for v.

5

Solve -3*w - 9 = 2*a, -7 = 2*w - a + 2*a for w.

-5

Solve c - r - 6 = 0, 2*r = -20*c + 16*c + 18 for c.

5

Solve -15*g + 11*g = -d - 19, 4*g - 25 = 3*d for d.

-3