QUESTION: Math problem: Solve -5*i - 13 = -13 for i.
ANS: 0
QUESTION: Math problem: Solve 3023 + 3807 - 1814 = -209*y for y.
ANS: -24
QUESTION: Math problem: Solve 20*a - 5500 + 5180 = 0 for a.
ANS: 16
QUESTION: Math problem: Solve 0 = 3*i + 6 + 6 for i.
ANS:
-4