question: Teacher asked me this: Solve -7 = -b - 6 for b.
++++++++++
answer: 1

question: Teacher asked me this: Solve 584 + 585 = d + 1166 for d.
++++++++++
answer: 3

question: Teacher asked me this: Solve -420 - 84 = -64*o - 56 for o.
++++++++++
answer: 7

question: Teacher asked me this: Solve 11*n - 31 + 75 = 0 for n.
++++++++++
answer:
-4