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09-09-2020
Mathematics

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Is (4, -3) a solution to the system x - y = 4 and 2x + y = 5?

Respuesta :

ChopinTheChicken ChopinTheChicken

09-09-2020

Hey there! I'm happy to help!

Let's plug in these numbers and see if they work.

4-(-3)=4+3=7≠4 Not True

2(4)-3=8-3=5 True

(4,-3) is a solution to one equation, but not the other, so this is not a solution.

Have a wonderful day! :D

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