zekkosyt zekkosyt

02-11-2020
Mathematics

contestada

A system of equations is shown.

3x+y=20

2x−2y=8

What is the value of x+y for the system of equations?

Respuesta :

emmymstarr emmymstarr

03-11-2020

Answer:

x+y=8

Step-by-step explanation:

2(3x+y=20)

6x+2y=40

2x-2y=8

8x=48

x=6

18+y=20

y=2

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