QUESTION: Math problem: Solve -42*b = -580 + 622 for b.
ANS: -1
QUESTION: Math problem: Solve 4*f + 204813 = 204685 for f.
ANS: -32
QUESTION: Math problem: Solve -11*r - 6 = -9*r for r.
ANS: -3
QUESTION: Math problem: Solve 155 = -20*g - 157 - 168 for g.
ANS:
-24