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300=70+(25+9)x
We move all terms to the left:
300-(70+(25+9)x)=0
We add all the numbers together, and all the variables
-(70+34x)+300=0
We get rid of parentheses
-34x-70+300=0
We add all the numbers together, and all the variables
-34x+230=0
We move all terms containing x to the left, all other terms to the right
-34x=-230
x=-230/-34
x=6+13/17
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