valerietovar956 valerietovar956

04-02-2022
Mathematics

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Solve the system of equations by adding or subtracting.
{-x-2y = 3
( 3x + 2y = 15
The solution of the system is

Respuesta :

ItsDingy ItsDingy

04-02-2022

Answer:

x=9, y=-6

Step-by-step explanation:

you can add to cancel out the y: -x+3x=18. x=9. You then plug x back to get the value for y.

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