westdagoat84 westdagoat84

24-02-2021
Mathematics

contestada

2x+y=3.4
8x+2y=11.6
what is the value of x?

Respuesta :

0himark 0himark

24-02-2021

Answer:

x = 2.2

Step-by-step explanation:

- 4 (2x + y = 3.4) + (8x + 2y = 11.6)

( - 8x - 4y = - 13.6) + (8x + 2y = 11.6)

- 2y = 2

y = - 1

2x + ( -1 ) = 3.4

2x = 4.4

x = 2.2

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