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450=175+30x
We move all terms to the left:
450-(175+30x)=0
We add all the numbers together, and all the variables
-(30x+175)+450=0
We get rid of parentheses
-30x-175+450=0
We add all the numbers together, and all the variables
-30x+275=0
We move all terms containing x to the left, all other terms to the right
-30x=-275
x=-275/-30
x=9+1/6
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