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30.75=15.9+5x
We move all terms to the left:
30.75-(15.9+5x)=0
We add all the numbers together, and all the variables
-(5x+15.9)+30.75=0
We get rid of parentheses
-5x-15.9+30.75=0
We add all the numbers together, and all the variables
-5x+14.85=0
We move all terms containing x to the left, all other terms to the right
-5x=-14.85
x=-14.85/-5
x=2+2.6216216216216/2.7027027027027
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