Solve -4*x + 2*r + 0*r - 18 = 0, 1 = r for x.

-4

Solve -3*x - 2*u - 4 = -5*x, 3*u = 5*x - 4 for x.

-1

Solve -3*l + 183*t - 23 = 179*t, -8 = 2*l + t for l.

-5

Solve 5 = 5*z, 62*z + 18 = -5*j + 60*z for j.

-4

Solve 5*i + 33 = -4*u, 7 = -6*i + 3*i + 4*u for i.

-5

Solve -2*a + 59 - 72 = 5*x, 0 = 4*a - 3*x - 13 for a.

1

Solve 4*h - 15 = -v + 3, -h = -4*v + 4 for h.

4

Solve -5*k + 3*h = 20, k - 4*k + 22 = 5*h for k.

-1

Solve -3*s + 4*c - 5 + 1 = 0, 0 = -2*s + 4*c for s.

-4

Solve 4*n + 5*t = 8*n + 21, -t = -5*n for n.

1