karen768 karen768
  • 18-12-2019
  • Mathematics
contestada

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

Respuesta :

Memeri
Memeri Memeri
  • 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 cmsummerfield30
  • 01-10-2020

Answer:

X=8, Y=-7

Step-by-step explanation:

Answer Link

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