question: Teacher asked me this: Solve 5*u - 42 = -72 for u.
++++++++++
answer: -6

question: Teacher asked me this: Solve -28 + 22 = 2*v for v.
++++++++++
answer: -3

question: Teacher asked me this: Solve 29*b = -28*b + 18*b + 1275 + 987 for b.
++++++++++
answer: 58

question: Teacher asked me this: Solve 354 = 411*p - 470*p for p.
++++++++++
answer:
-6