question: Teacher asked me this: Solve 129*y - 116*y = 65 for y.
++++++++++
answer: 5

question: Teacher asked me this: Solve -6*b + 1085 = 1091 for b.
++++++++++
answer: -1

question: Teacher asked me this: Solve 8*r - 8 = 16 for r.
++++++++++
answer: 3

question: Teacher asked me this: Solve 256*d = 249*d - 630*d - 19110 for d.
++++++++++
answer:
-30