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90=38.43+0.25x
We move all terms to the left:
90-(38.43+0.25x)=0
We add all the numbers together, and all the variables
-(0.25x+38.43)+90=0
We get rid of parentheses
-0.25x-38.43+90=0
We add all the numbers together, and all the variables
-0.25x+51.57=0
We move all terms containing x to the left, all other terms to the right
-0.25x=-51.57
x=-51.57/-0.25
x=206+0.07/0.25
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