question: Teacher asked me this: Solve 1109*t - 5070*t = -960*t + 4498*t - 292461 for t.
++++++++++
answer: 39

question: Teacher asked me this: Solve -68*r = r + 134*r + 1421 for r.
++++++++++
answer: -7

question: Teacher asked me this: Solve -36 = 5*u - 16 for u.
++++++++++
answer: -4

question: Teacher asked me this: Solve 859*n + 17808 = -401*n - 45192 for n.
++++++++++
answer:
-50