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12/72x=4
We move all terms to the left:
12/72x-(4)=0
Domain of the equation: 72x!=0We multiply all the terms by the denominator
x!=0/72
x!=0
x∈R
-4*72x+12=0
Wy multiply elements
-288x+12=0
We move all terms containing x to the left, all other terms to the right
-288x=-12
x=-12/-288
x=1/24
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