QUESTION: Math problem: Solve -400*z - 2 = -402*z for z.
ANS: 1
QUESTION: Math problem: Solve -123*m - 69*m + 26341 = 318*m - 13*m for m.
ANS: 53
QUESTION: Math problem: Solve -9*y + 12 = -5*y for y.
ANS: 3
QUESTION: Math problem: Solve 146 - 160 = 7*w for w.
ANS:
-2