QUESTION: Math problem: Solve 885*a = -221*a + 35392 for a.
ANS: 32
QUESTION: Math problem: Solve 226343 = -69*n + 229241 for n.
ANS: 42
QUESTION: Math problem: Solve -3790163*d = -3789988*d + 525 for d.
ANS: -3
QUESTION: Math problem: Solve -640*a + 2854 = 1128 + 7881 + 5365 for a.
ANS:
-18