Q: Solve -2993*b + 3037*b = -748 for b.

A: -17

Q: Solve -2152*a - 415*a - 62117 - 217686 = 0 for a.

A: -109

Q: Solve 0 = -8*w + 5*w - 21 for w.

A: -7

Q: Solve 0 = 65*h - 37*h - 168 for h.

A:
6