question: Teacher asked me this: Solve -90*a + 6238 = -1502 for a.
++++++++++
answer: 86

question: Teacher asked me this: Solve -162*q + 3136 = -76*q + 105*q - 2594 for q.
++++++++++
answer: 30

question: Teacher asked me this: Solve -31316*o + 31172*o = -12960 for o.
++++++++++
answer: 90

question: Teacher asked me this: Solve -1012*m + 1992*m - 1008*m = -1260 for m.
++++++++++
answer:
45