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90=39.23+0.25x
We move all terms to the left:
90-(39.23+0.25x)=0
We add all the numbers together, and all the variables
-(0.25x+39.23)+90=0
We get rid of parentheses
-0.25x-39.23+90=0
We add all the numbers together, and all the variables
-0.25x+50.77=0
We move all terms containing x to the left, all other terms to the right
-0.25x=-50.77
x=-50.77/-0.25
x=203+0.020000000000003/0.25
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