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-7/20x=25
We move all terms to the left:
-7/20x-(25)=0
Domain of the equation: 20x!=0We multiply all the terms by the denominator
x!=0/20
x!=0
x∈R
-25*20x-7=0
Wy multiply elements
-500x-7=0
We move all terms containing x to the left, all other terms to the right
-500x=7
x=7/-500
x=-7/500
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