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623=0.3x
We move all terms to the left:
623-(0.3x)=0
We add all the numbers together, and all the variables
-(+0.3x)+623=0
We get rid of parentheses
-0.3x+623=0
We move all terms containing x to the left, all other terms to the right
-0.3x=-623
x=-623/-0.3
x=2076+0.20000000000005/0.3
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