benv102306 benv102306

20-01-2021
Mathematics

contestada

Systems of equations
y=2x+3
y=-x-9

Respuesta :

20-01-2021

Answer:

vhguh

Step-by-step explanation:

cfyyghuijofdrr5xtu

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AlirezaKhatamian AlirezaKhatamian

21-01-2021

Answer:

(-4,-5)

Step-by-step explanation:

[tex]y=2x+3\\y=-x-9=>Multiply(2)=>2y=-2x-18\\\\Add\\3y = -15=>y =-5\\\\Substitute\\x=-y-9=>x=-4[/tex]

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