QUESTION: Math problem: Solve -461*f = -470*f - 63 for f.
ANS: -7
QUESTION: Math problem: Solve 4*u + 980 - 1008 = 0 for u.
ANS: 7
QUESTION: Math problem: Solve -39*z - 37 = 158 for z.
ANS: -5
QUESTION: Math problem: Solve 77 = -23*d + 8 for d.
ANS:
-3