brejo821 brejo821

01-03-2021
Mathematics

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3x – 9y = -39
-3x – 7y = -25 systems of elimination

Respuesta :

amayakarla012 amayakarla012

01-03-2021

Answer:

y= 4 , x= -1

Step-by-step explanation:

3x-9y= -39

-3x-7y= -25

-16y= -64

y= -64/-16

y= 4

substitute y into any equation

3x -9(4) = -39

3x-36= -39

3x= -39+36

3x= -3

x= -3/3

x= -1

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