question: Teacher asked me this: Solve 1584*t - 1613*t = -435 for t.
++++++++++
answer: 15

question: Teacher asked me this: Solve -101314152*r = -101314030*r for r.
++++++++++
answer: 0

question: Teacher asked me this: Solve 140*t - 1346 + 3138 + 5676 = 1168 for t.
++++++++++
answer: -45

question: Teacher asked me this: Solve -1221 = -330*n + 99 for n.
++++++++++
answer:
4