karen768 karen768

18-12-2019
Mathematics

contestada

Solve the system of linear equations by substitution.
2x-y =23
x-9 = -1

Respuesta :

18-12-2019

First find x
X-9=-1
X= 8

2(8)-y=23
16-y=23
-y=7
Y=-7

Answer Link

cmsummerfield30 cmsummerfield30

01-10-2020

Answer:

X=8, Y=-7

Step-by-step explanation:

Answer Link

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