Solve -3*w - 1 + 4 = a, 2*w = -a + 2 for a.

0

Solve -5*i + 2*u = -19, u - 19 = -4*i - 9 for i.

3

Solve -6*m - 5*r - 20 = -m, 5*m = -r for m.

1

Solve -4*h + 30 = 2*g + 6, 2*h - g = 4 for h.

4

Solve 3*r + 2*l - 3*l = -9, -3*l = 9 for r.

-4

Solve 4*z + 3*j - 13 = 5*z, -5*z + 4*j - 10 = 0 for z.

2

Solve 20 = -x + 5*b, b = -4*x - 0*x + 4 for x.

0

Solve 5*j = -5*p + 25, -15*j - 20 = -2*p - 19*j for p.

0

Solve 0 = -5*c - 5*z, 25 = 4*c + z - 2*z for c.

5

Solve 8 = -4*a - 2*u, 4*u = a + 55 - 71 for a.

0