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I need help ASAP you have to show your work
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I need help ASAP you have to show your work

I need help ASAP you have to show your work-example-1
User Sylwek
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1 Answer

4 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)

User Mervin
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