question: Teacher asked me this: Solve 195*x + 243*x + 128*x = -8490 for x.
++++++++++
answer: -15

question: Teacher asked me this: Solve 16*a - 24*a = 48 for a.
++++++++++
answer: -6

question: Teacher asked me this: Solve 1009*o + 9950 = 1878 for o.
++++++++++
answer: -8

question: Teacher asked me this: Solve 43551 + 7810 = 1849*j - 242 - 37149 for j.
++++++++++
answer:
48