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2/2=x/45
We move all terms to the left:
2/2-(x/45)=0
We add all the numbers together, and all the variables
-(+x/45)+2/2=0
We add all the numbers together, and all the variables
-(+x/45)+1=0
We get rid of parentheses
-x/45+1=0
We multiply all the terms by the denominator
-x+1*45=0
We add all the numbers together, and all the variables
-1x+45=0
We move all terms containing x to the left, all other terms to the right
-x=-45
x=-45/-1
x=+45
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