Q: Solve b - 21 = -23 for b.

A: -2

Q: Solve 265*t - 742536 = -749426 for t.

A: -26

Q: Solve -10*q + 45*q + 804 = -631 for q.

A: -41

Q: Solve -878 + 906 = 2*t for t.

A:
14