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(5x/2x+7)=3
We move all terms to the left:
(5x/2x+7)-(3)=0
Domain of the equation: 2x+7)!=0We get rid of parentheses
x∈R
5x/2x+7-3=0
We multiply all the terms by the denominator
5x+7*2x-3*2x=0
Wy multiply elements
5x+14x-6x=0
We add all the numbers together, and all the variables
13x=0
x=0/13
x=0
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