question: Teacher asked me this: Solve -36 + 1 = -10*n - 25 for n.
++++++++++
answer: 1

question: Teacher asked me this: Solve 481*r - 45*r - 3052 = 0 for r.
++++++++++
answer: 7

question: Teacher asked me this: Solve 5*a = 51 - 56 for a.
++++++++++
answer: -1

question: Teacher asked me this: Solve 721*a = -49*a + 11297 + 3333 for a.
++++++++++
answer:
19