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15.5=-6.5+7(b+6)
We move all terms to the left:
15.5-(-6.5+7(b+6))=0
We calculate terms in parentheses: -(-6.5+7(b+6)), so:We get rid of parentheses
-6.5+7(b+6)
determiningTheFunctionDomain 7(b+6)-6.5
We multiply parentheses
7b+42-6.5
We add all the numbers together, and all the variables
7b+35.5
Back to the equation:
-(7b+35.5)
-7b-35.5+15.5=0
We add all the numbers together, and all the variables
-7b-20=0
We move all terms containing b to the left, all other terms to the right
-7b=20
b=20/-7
b=-2+6/7
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