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(3.1+x)/2=2.5
We move all terms to the left:
(3.1+x)/2-(2.5)=0
We add all the numbers together, and all the variables
(x+3.1)/2-(2.5)=0
We add all the numbers together, and all the variables
(x+3.1)/2-2.5=0
We multiply all the terms by the denominator
(x+3.1)-(2.5)*2=0
We add all the numbers together, and all the variables
(x+3.1)-5=0
We get rid of parentheses
x+3.1-5=0
We add all the numbers together, and all the variables
x-1.9=0
We move all terms containing x to the left, all other terms to the right
x=1.9
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