cheesypotatos69 cheesypotatos69

24-04-2021
Mathematics

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2) 4x - y = 7
-4x + y = -7

I need helpppp

Respuesta :

rijarafiquee rijarafiquee

24-04-2021

Answer:

(0,-7)

Step-by-step explanation:

4x - y = 7

-y = -4x + 7

y = 4x - 7

-4x + (4x - 7) = -7

-4x + 4x - 7 = -7

x = 0

4(0) - y = 7

-y = 7

y = -7

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