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4.7=b/2.8
We move all terms to the left:
4.7-(b/2.8)=0
We add all the numbers together, and all the variables
-(+b/2.8)+4.7=0
We get rid of parentheses
-b/2.8+4.7=0
We multiply all the terms by the denominator
-b+(4.7)*2.8=0
We add all the numbers together, and all the variables
-1b+13.16=0
We move all terms containing b to the left, all other terms to the right
-b=-13.16
b=-13.16/-1
b=13+0.16/1
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