chenkyle304 chenkyle304

25-03-2020
Mathematics

contestada

y=-x+1
-2x-y=2 substitution

Respuesta :

Mahin07 Mahin07

25-03-2020

Step-by-step explanation:

[tex]y=-x+1 \\

-2x-y=2 [/tex]given

[tex] - 2x-( - x + 1)=2 \\ - 2x + x - 1 = 2 \\ - x = 2 + 1 \\ - x = 3 \\ x = 3[/tex]

put x

[tex]-2( - 3)-y=2 \\ 6 - y = 2 \\ - y = 2 - 6 \\ - y = - 4 \\ y = 4[/tex]

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