Omen7724 Omen7724

15-10-2021
Mathematics

contestada

1.
The graph of x+y= 4 is shown.
Add y = x+ 2 to the same coordinate plane.
What is the solution to this system?

Respuesta :

reinhard10158 reinhard10158

15-10-2021

Step-by-step explanation:

we use the second equation to substitute in the first :

x + (x + 2) = 4

2x + 2 = 4

2x = 2

x = 1

y = x + 2 = 1 + 2 = 3

the solution is the crossing point of both lines : (1, 3)

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