SOLUTION: b/13 - 3b/13 = 8/13

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Question 403651: b/13 - 3b/13 = 8/13
Answer by sofiyac(983) About Me  (Show Source):
You can put this solution on YOUR website!
b/13 - 3b/13 = 8/13
multiply everything by 13
b-3b=8
-2b=8
b=-4