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3/13x=9
We move all terms to the left:
3/13x-(9)=0
Domain of the equation: 13x!=0We multiply all the terms by the denominator
x!=0/13
x!=0
x∈R
-9*13x+3=0
Wy multiply elements
-117x+3=0
We move all terms containing x to the left, all other terms to the right
-117x=-3
x=-3/-117
x=1/39
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