Debiklauminzer Debiklauminzer

02-04-2020
Mathematics

contestada

Solve the following systems of equations

x+3y=-23
-x+4y=-26

Respuesta :

georgiabut georgiabut

02-04-2020

Answer:

y = -7, x = 2

Step-by-step explanation:

x+3y=-23 (eq 1)

-x+4y=-26 (eq 2)

eq1 + eq 2

7y = -49

y = -7

Sub y = -7 into eq 1

x+3(-7) =-23

x -21 = -23

x = 2

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