question: Teacher asked me this: Solve 2*j - 3*j = 3 for j.
++++++++++
answer: -3

question: Teacher asked me this: Solve -89*s + 19*s - 41 = -531 for s.
++++++++++
answer: 7

question: Teacher asked me this: Solve -7*d - 11 = 38 for d.
++++++++++
answer: -7

question: Teacher asked me this: Solve 5*n + 26*n - 117 = 18*n for n.
++++++++++
answer:
9