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53.4=2*3.14x
We move all terms to the left:
53.4-(2*3.14x)=0
We add all the numbers together, and all the variables
-(+2*3.14x)+53.4=0
We get rid of parentheses
-2*3.14x+53.4=0
Wy multiply elements
-6x+53.4=0
We move all terms containing x to the left, all other terms to the right
-6x=-53.4
x=-53.4/-6
x=8+3.85714285714/4.28571428571
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