Solve 0 = 2*u - r - 3, -4*u - u = -3*r - 9 for u.

0

Solve 0 = 3*j, 5*j - 10 = 24*q - 29*q for q.

2

Solve 3*i - 6 = -5*x, i = -i - 5*x + 4 for i.

2

Solve 2*w - 10 = 0, 2*o + 13*w - 9*w = 30 for o.

5

Solve -i + 3 = -d, 1957*i = 1960*i - 4*d - 11 for i.

1

Solve -4*k + 16 = -l, 2*l + 3*k - 13 = 2*k for l.

4

Solve q + 4 = -4*y, y + 5*q = -4*y - 20 for y.

0

Solve 0 = -4*i + 3*x - 26, 5*i - 7 = 8*i + 4*x for i.

-5

Solve 4*n - 9*n + 15 = -4*m, -4*m - 25 = 5*n for n.

-1

Solve -4*s = -3*x + 2 + 23, 10 = -4*s - 2*x for s.

-4