question: Teacher asked me this: Solve 9*d + 10 = -7*d + 14*d for d.
++++++++++
answer: -5

question: Teacher asked me this: Solve 28*w - 3787 + 715 = -100*w for w.
++++++++++
answer: 24

question: Teacher asked me this: Solve 8*f = -7*f + 30 for f.
++++++++++
answer: 2

question: Teacher asked me this: Solve 410*i - 462 = 368*i for i.
++++++++++
answer:
11