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13/30x=12
We move all terms to the left:
13/30x-(12)=0
Domain of the equation: 30x!=0We multiply all the terms by the denominator
x!=0/30
x!=0
x∈R
-12*30x+13=0
Wy multiply elements
-360x+13=0
We move all terms containing x to the left, all other terms to the right
-360x=-13
x=-13/-360
x=13/360
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