xaviercampbell08 xaviercampbell08

17-03-2020
Mathematics

contestada

-2x + y=9
-4x - y=9
What is the answer

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hanifchoirunnisa hanifchoirunnisa

17-03-2020

-2x + y = 9

-4x - y = 9

----------------- +

-6x = 18

x = -3

-2x + y = 9

-2(-3) + y = 9

6 + y = 9

y = 3

Answer Link

meredith48034 meredith48034

17-03-2020

Answer:

-6x = 18

x = -3

-2(-3) + y = 9

6 + y = 9

y = 3

(-3, 3)

Step-by-step explanation:

Answer Link

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