question: Teacher asked me this: Solve 98*s + 56 = 90*s for s.
++++++++++
answer: -7

question: Teacher asked me this: Solve 328*x + 528*x = 25680 for x.
++++++++++
answer: 30

question: Teacher asked me this: Solve -4563*b + 1469 - 261 = -4412*b for b.
++++++++++
answer: 8

question: Teacher asked me this: Solve -7*l + 162 + 21 = -68*l for l.
++++++++++
answer:
-3