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1.3b=4/5
We move all terms to the left:
1.3b-(4/5)=0
We add all the numbers together, and all the variables
1.3b-(+4/5)=0
We get rid of parentheses
1.3b-4/5=0
We multiply all the terms by the denominator
(1.3b)*5-4=0
We add all the numbers together, and all the variables
(+1.3b)*5-4=0
We multiply parentheses
5b-4=0
We move all terms containing b to the left, all other terms to the right
5b=4
b=4/5
b=4/5
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