QUESTION: Math problem: Solve 23 = z + 15 for z.
ANS: 8
QUESTION: Math problem: Solve -1136*o = -964*o + 860 for o.
ANS: -5
QUESTION: Math problem: Solve -13*u + 133 = 6*u for u.
ANS: 7
QUESTION: Math problem: Solve 2997*y + 211418 = -106264 for y.
ANS:
-106