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4=3.14x
We move all terms to the left:
4-(3.14x)=0
We add all the numbers together, and all the variables
-(+3.14x)+4=0
We get rid of parentheses
-3.14x+4=0
We move all terms containing x to the left, all other terms to the right
-3.14x=-4
x=-4/-3.14
x=1+0.86/3.14
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