alyssa2006z alyssa2006z
  • 22-11-2019
  • Mathematics
contestada

-4x+y= 6
-5x-y=21 what is the answer​

Respuesta :

bentyfilms
bentyfilms bentyfilms
  • 22-11-2019

Answer:

x=15

Step-by-step explanation:

21-6=15

-4x+y=-5x-y=15

x+y=-y=15

x=15

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