QUESTION: Math problem: Solve -8693*h + 36 = -8684*h for h.
ANS: 4
QUESTION: Math problem: Solve -65*h + 1428 = -253*h + 120*h for h.
ANS: -21
QUESTION: Math problem: Solve 305*f - 306*f = 2 for f.
ANS: -2
QUESTION: Math problem: Solve 429 - 186 + 387 = 30*z for z.
ANS:
21