question: Teacher asked me this: Solve 261 = -56*o - 764 + 129 for o.
++++++++++
answer: -16

question: Teacher asked me this: Solve -60 = -3*d - 48 for d.
++++++++++
answer: 4

question: Teacher asked me this: Solve 109*q - 360 - 111 = 1709 for q.
++++++++++
answer: 20

question: Teacher asked me this: Solve -8547*b - 3576 = -8845*b for b.
++++++++++
answer:
12