I need help ASAP you have to show your work

Base asked Jan 3, 2023

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13 votes

Base asked Jan 3, 2023

by Base

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13 votes

Answer: A. (4,1)

Explanation:

$\displaystyle\\\left \{ {{x+y=5\ \ \ \ (1)} \atop {2x-y=7\ \ \ (2)}} \right. \\$

Sum up equations (1) and (2):

3x=12

Divide both parts of the equation by 3:

x=4

Substitute the value of x into equation (1):

$4+y=5\\4+y-4=5-4\\y=1\\Thus,\ (4,1)$

Thunderforge answered Jan 8, 2023

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