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4b-19=-5(b-1)-6
We move all terms to the left:
4b-19-(-5(b-1)-6)=0
We calculate terms in parentheses: -(-5(b-1)-6), so:We get rid of parentheses
-5(b-1)-6
We multiply parentheses
-5b+5-6
We add all the numbers together, and all the variables
-5b-1
Back to the equation:
-(-5b-1)
4b+5b+1-19=0
We add all the numbers together, and all the variables
9b-18=0
We move all terms containing b to the left, all other terms to the right
9b=18
b=18/9
b=2
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