question: Teacher asked me this: Solve 3*t + 17 - 9 = 5 for t.
++++++++++
answer: -1

question: Teacher asked me this: Solve -278*j + 227*j - 765 = 0 for j.
++++++++++
answer: -15

question: Teacher asked me this: Solve 24*b = 39*b - 20*b - 160 for b.
++++++++++
answer: -32

question: Teacher asked me this: Solve -680 + 330 = 20*i + 270 for i.
++++++++++
answer:
-31