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28.26=3.14x
We move all terms to the left:
28.26-(3.14x)=0
We add all the numbers together, and all the variables
-(+3.14x)+28.26=0
We get rid of parentheses
-3.14x+28.26=0
We move all terms containing x to the left, all other terms to the right
-3.14x=-28.26
x=-28.26/-3.14
x=+9
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