Solve 0 = u - 3*x + 5, -4 = 2*u - 2*x - x for u.

1

Solve 0 = 8*o - 4*o + 3*r - 21, -15 = -o - 4*r for o.

3

Solve 8 - 12 = -4*l, k - 3*l + 3 = 0 for k.

0

Solve -6*t - 26 = 5*j, 4*t = -0*t - 4*j - 20 for t.

-1

Solve -3*w - 5*r + 11 = 0, 4*w + 8 = 6*w + 4*r for w.

2

Solve 3*l - 12 = 0, 2*l = 5*p - 3*l - 5 for p.

5

Solve 87*i - 92*i = -2*a + 27, 5*i + 24 = -a for a.

1

Solve 0 = r + 2*l - 3, 3*r - 18*l = -15*l for r.

1

Solve -12 = 3*z + 7*n - 2*n, 5*n + 10 = -5*z for z.

1

Solve 3*y + 3*q = -18, -3*y - q - 37 = -31 for y.

0