24-02-2021
Mathematics

contestada

1. Which of the following is the x-coordinate of the solution to the system shown below?
(1) x = 9
(3) x=13
(2) x = 2
(4) x = 18
x+y = 11
x - y = 7

Respuesta :

kathrynlizzy kathrynlizzy

24-02-2021

Answer:

x=9

Step-by-step explanation:

Using elimination method.

Add equation 1 to equation 2

x + y = 11

x - y = 7

---------------

2x + 0 = 18

Divide both sides by 2

2x = 18

---- ----

2 2

x = 9

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