owensheffield46 owensheffield46
  • 06-03-2020
  • Mathematics
contestada

8) -7x – 2y = -13
x– 2y = 11​

Respuesta :

longwoodfade longwoodfade
  • 03-01-2021

Answer:

x=1/3; y=32/6

Step-by-step explanation:

-7x – 2y = -13

2y=13-7x

x– 2y = 11​

x=11-2y

x = 11 - (13-7x)

x= 11-13+7x

x-7x = -2

-6x = -2

x= [tex]\frac{2}{6}[/tex] = [tex]\frac{1}{3}[/tex]

Plug x in 2y=13-7x

2y = 13- 7*[tex]\frac{1}{3}[/tex]

2y= [tex]\frac{32}{3}[/tex]

y= 32/6

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