question: Teacher asked me this: Solve -111*u + 79*u + 559 = -45*u for u.
++++++++++
answer: -43

question: Teacher asked me this: Solve 8*b - 40 = -2*b for b.
++++++++++
answer: 4

question: Teacher asked me this: Solve -51*d + 1459 = 33*d + 5827 for d.
++++++++++
answer: -52

question: Teacher asked me this: Solve -118 = 25*v - 243 for v.
++++++++++
answer:
5