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238=7(5b-4)
We move all terms to the left:
238-(7(5b-4))=0
We calculate terms in parentheses: -(7(5b-4)), so:We get rid of parentheses
7(5b-4)
We multiply parentheses
35b-28
Back to the equation:
-(35b-28)
-35b+28+238=0
We add all the numbers together, and all the variables
-35b+266=0
We move all terms containing b to the left, all other terms to the right
-35b=-266
b=-266/-35
b=7+3/5
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