noemacias921 noemacias921

12-03-2021
Mathematics

contestada

Solve using elimination 2x-y=-22 and -7x+y=67
(9,4)
(-9,-4)
(-4,9)
(-9,4)

Respuesta :

naishakiladar123uk naishakiladar123uk

12-03-2021

Answer: (-9,4)

Step-by-step explanation:

2x-y=-22

-7x+y=67

-5x=45

x=-9

2(-9)-y=-22

-18-y=-22

-y=-4

y=4

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