decileste1 decileste1

11-12-2017
Mathematics

contestada

Please help??
Substitute to Solve:
x=4y + 5
x=3y-2

Respuesta :

11-12-2017

substituting the value of x from the first to the second equation 4y +5 =3y-2
y=-7 y= -7 so x =-23

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