Q: Solve -35*p + 5*p = 90 for p.

A: -3

Q: Solve 80 + 0 = 16*i for i.

A: 5

Q: Solve 31*w - 164 = -57*w + 364 for w.

A: 6

Q: Solve -1081277 = -2*o - 1081415 for o.

A:
-69