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x+5.7=2.5x
We move all terms to the left:
x+5.7-(2.5x)=0
We add all the numbers together, and all the variables
x-(+2.5x)+5.7=0
We get rid of parentheses
x-2.5x+5.7=0
We add all the numbers together, and all the variables
-1.5x+5.7=0
We move all terms containing x to the left, all other terms to the right
-1.5x=-5.7
x=-5.7/-1.5
x=3+1/1.25
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