question: Teacher asked me this: Solve 98 = -3*o + 4*o + 13*o for o.
++++++++++
answer: 7

question: Teacher asked me this: Solve -480*f - 2833 = 5327 for f.
++++++++++
answer: -17

question: Teacher asked me this: Solve 32492*q = 315524 - 1355268 for q.
++++++++++
answer: -32

question: Teacher asked me this: Solve 0 = -0*x - x + 1 for x.
++++++++++
answer:
1