Solve 13*o - 31 = 8 for o.

3

Solve 0 = -54*i + 71 + 145 for i.

4

Solve 69 - 45 = -8*v for v.

-3

Solve 31*z = 56*z - 150 for z.

6

Solve -2*l - 8 = 2*l for l.

-2

Solve -5*u = -u + 4 for u.

-1

Solve -2*d - 2*d = 7*d for d.

0

Solve -37*i + 1 = 38 for i.

-1

Solve 4 = 93*g - 97*g for g.

-1

Solve -140*p = -125*p + 150 for p.

-10