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20/7x=100
We move all terms to the left:
20/7x-(100)=0
Domain of the equation: 7x!=0We multiply all the terms by the denominator
x!=0/7
x!=0
x∈R
-100*7x+20=0
Wy multiply elements
-700x+20=0
We move all terms containing x to the left, all other terms to the right
-700x=-20
x=-20/-700
x=1/35
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