QUESTION: Math problem: Solve -42*z = 30*z + 1440 for z.
ANS: -20
QUESTION: Math problem: Solve 11*b - 48 = 27*b for b.
ANS: -3
QUESTION: Math problem: Solve 136 + 120 = -15*z - 44 for z.
ANS: -20
QUESTION: Math problem: Solve -48*u + 28 = -55*u for u.
ANS:
-4