Q: Solve -69*f + 2 = -2 + 4 for f.

A: 0

Q: Solve 0 = 1919*v - 2078*v + 1431 for v.

A: 9

Q: Solve 8*p - 160 - 698 = 47*p for p.

A: -22

Q: Solve 724 = 16*t + 31*t + 109 - 325 for t.

A:
20