Solve 0 = 4*o - l - 15, -o + 12 = l + 2 for o.

5

Solve 0 = -o + 5*y - 10, y = 11*o - 10*o + 6 for o.

-5

Solve 731*i - 729*i + 24 = 4*j, 16 = 2*i + 4*j for i.

-2

Solve 2*r = -8, -80*x = -81*x + 2*r + 5 for x.

-3

Solve -29*f = -3*b - 32*f + 27, 2*f - 13 = -b for b.

5

Solve 0 = -5*z - 3*s - 14, 0 = -2*z - 2*s + 4 - 8 for z.

-4

Solve 8 = -4*h, 0 = -49*f + 48*f + h + 4 for f.

2

Solve l - 5*u = 0, -15*l + 11*l - u = -21 for l.

5

Solve 2 = 4*j + 2*g, -2*j - 36 = 4*g - 22 for j.

3

Solve -3*r + 6*r = -f + 7, 2*r + f - 3 = 0 for r.

4