SOLUTION: How would I solve this problem: b+b+18=4b

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Question 561157: How would I solve this problem:
b+b+18=4b
Answer by Maths68(1474) About Me  (Show Source):
You can put this solution on YOUR website!
b+b+18=4b
2b+18=4b
2b=4b-18
2b-4b=-18
-2b=-18
Divide by -2 both sides of above equation
-2b/-2=-18/-2
b=9