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28.26=2(3.14)(x)
We move all terms to the left:
28.26-(2(3.14)(x))=0
We calculate terms in parentheses: -(2(3.14)x), so:We add all the numbers together, and all the variables
2(3.14)x
We multiply parentheses
6.28x
Back to the equation:
-(6.28x)
-(+6.28x)+28.26=0
We get rid of parentheses
-6.28x+28.26=0
We move all terms containing x to the left, all other terms to the right
-6.28x=-28.26
x=-28.26/-6.28
x=4+1/2
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