question: Teacher asked me this: Solve -11296 = 763*u + 8542 for u.
++++++++++
answer: -26

question: Teacher asked me this: Solve 267*r - 48 = 279*r for r.
++++++++++
answer: -4

question: Teacher asked me this: Solve -12 = -9*n + 13*n for n.
++++++++++
answer: -3

question: Teacher asked me this: Solve 28*s + 88*s + 51 = -993 for s.
++++++++++
answer:
-9