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13/2x=4
We move all terms to the left:
13/2x-(4)=0
Domain of the equation: 2x!=0We multiply all the terms by the denominator
x!=0/2
x!=0
x∈R
-4*2x+13=0
Wy multiply elements
-8x+13=0
We move all terms containing x to the left, all other terms to the right
-8x=-13
x=-13/-8
x=1+5/8
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