question: Teacher asked me this: Solve -265*s + 3800 = 115*s for s.
++++++++++
answer: 10

question: Teacher asked me this: Solve -224*a - 640 + 1175 = 41*a + 5040 for a.
++++++++++
answer: -17

question: Teacher asked me this: Solve 500 = 50*k + 50*k for k.
++++++++++
answer: 5

question: Teacher asked me this: Solve -89*j - 2089*j - 41078 = -16*j for j.
++++++++++
answer:
-19