yesyvargas7920 yesyvargas7920

22-02-2021
Mathematics

contestada

1) 3x – 2y = 2
y = 2x + 8
alguien que me ayude con esto no lo entendemos gracias

Respuesta :

kayleeharper187 kayleeharper187

22-02-2021

{ 3x-2y=2
{ y=2x+8

{ -2y=2-3x
{ y=2x+8

{ y= -1+3/2x
{ y= 2x+8

-1+3/2x = 2x+8
x=-18

y= 2(-18)+8
y= -28

(x,y) = ( -18,-28)

——
Solution check

{ 3(-18)-2(-28)=2
{ -28=2(-18)+8

{ 2=2
{ -28=-28

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