alyssa2006z alyssa2006z

22-11-2019
Mathematics

contestada

-4x+y= 6
-5x-y=21 what is the answer

Respuesta :

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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