question: Teacher asked me this: Solve -72*i + 49*i - 6136 = -141*i for i.
++++++++++
answer: 52

question: Teacher asked me this: Solve 326 = -119*f - 507 for f.
++++++++++
answer: -7

question: Teacher asked me this: Solve -73*a - 1524 - 1036 = -169*a + 16*a for a.
++++++++++
answer: 32

question: Teacher asked me this: Solve -42*w + 69 = -15 for w.
++++++++++
answer:
2