ThatSmartGilaMonster ThatSmartGilaMonster

12-12-2021
Mathematics

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Solve the system of equations - 2x + 2y = 2 and - x + 3y = –17 by
combining the equations.

Respuesta :

Yang100 Yang100

12-12-2021

Answer:

x=-10, y=-9. (-10, -9).

Step-by-step explanation:

-2x+2y=2

-x+3y=-17

----------------

-2x+2y=2

-2(-x+3y)=-2(-17)

-------------------------

-2x+2y=2

2x-6y=34

----------------

-4y=36

y=36/-4

y=-9

-x+3(-9)=-17

-x-27=-17

-x=-17+27

-x=10

x=-10

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