question: Teacher asked me this: Solve -85*x - 80 = -769 - 586 for x.
++++++++++
answer: 15

question: Teacher asked me this: Solve 59*u = 55*u + 8 for u.
++++++++++
answer: 2

question: Teacher asked me this: Solve 9*r - 8 = 19 for r.
++++++++++
answer: 3

question: Teacher asked me this: Solve -236*q + 1943 = -181 for q.
++++++++++
answer:
9