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X+4=3(5X-3)
We move all terms to the left:
X+4-(3(5X-3))=0
We calculate terms in parentheses: -(3(5X-3)), so:We get rid of parentheses
3(5X-3)
We multiply parentheses
15X-9
Back to the equation:
-(15X-9)
X-15X+9+4=0
We add all the numbers together, and all the variables
-14X+13=0
We move all terms containing X to the left, all other terms to the right
-14X=-13
X=-13/-14
X=13/14
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