Solve 4 = 4*r + 5*y, 0*r + 5*r + 24 = y for r.

-4

Solve -3 = x - 15*i + 10*i, 4*x = 3*i - 12 for x.

-3

Solve -6 = -4*i + 2*f, 35*i - f = 39*i + 3 for i.

0

Solve 2*q - 5*z + 0 = 6, 2*q + 2*z = -8 for q.

-2

Solve -4*d - 9 = i, 3*i + 52*d - 50*d - 3 = 0 for i.

3

Solve -5*a - 5*l + 10 = 0, 20 = l + 3*l for a.

-3

Solve 2*i = -4*o - 2, 5*o = 3*i - 30 + 11 for o.

-2

Solve 4*u - 3*u = -5*w - 12, -5*w - 5*u = 20 for w.

-2

Solve 5*o - 3*b - 1 = 5, 0 = 4*o + 3*b - 21 for o.

3

Solve -12 = -4*h + 4*c, 3*h - 2*c = 4*h + 3 for h.

1