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98=7(b+3)
We move all terms to the left:
98-(7(b+3))=0
We calculate terms in parentheses: -(7(b+3)), so:We get rid of parentheses
7(b+3)
We multiply parentheses
7b+21
Back to the equation:
-(7b+21)
-7b-21+98=0
We add all the numbers together, and all the variables
-7b+77=0
We move all terms containing b to the left, all other terms to the right
-7b=-77
b=-77/-7
b=+11
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