X=-2/7,y=-1/2

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Solution for X=-2/7,y=-1/2 equation: 



X=-2/7.X=-1/2

We move all terms to the left:

X-(-2/7.X)=0



Domain of the equation: 7.X)!=0

X!=0/1

X!=0

X∈R



We get rid of parentheses

X+2/7.X=0

We multiply all the terms by the denominator


X*7.X+2=0

Wy multiply elements

7X^2+2=0

a = 7; b = 0; c = +2;
Δ = b2-4ac
Δ = 02-4·7·2
Δ = -56
Delta is less than zero, so there is no solution for the equation

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