Q: Solve 5*p - 11 = -21 for p.

A: -2

Q: Solve -15*t - 648 = -513 for t.

A: -9

Q: Solve 97*o - 231*o - 2010 = 0 for o.

A: -15

Q: Solve -53 - 169 = 37*y for y.

A:
-6