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4/7(x+3)=-2x-1
We move all terms to the left:
4/7(x+3)-(-2x-1)=0
Domain of the equation: 7(x+3)!=0We get rid of parentheses
x∈R
4/7(x+3)+2x+1=0
We multiply all the terms by the denominator
2x*7(x+3)+1*7(x+3)+4=0
Wy multiply elements
14x^2(x+7x(x+4=0
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