question: Teacher asked me this: Solve -3*n = 22 - 31 for n.
++++++++++
answer: 3

question: Teacher asked me this: Solve -3419 - 541 = 100*a + 120*a for a.
++++++++++
answer: -18

question: Teacher asked me this: Solve 429412 = -6673*i + 1430362 for i.
++++++++++
answer: 150

question: Teacher asked me this: Solve -8*h + 8 + 8 = 0 for h.
++++++++++
answer:
2