Apersonwhoneedshelp Apersonwhoneedshelp

16-12-2019
Mathematics

contestada

Solve the system of equations using Cramer's rule?
x+2y= 6
3x-4y= -22

Respuesta :

Yang100 Yang100

16-12-2019

Answer:

x=-2, y=4. (-2, 4).

Step-by-step explanation:

x+2y=6

3x-4y=-22

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

-3(x+2y)=-3(6)

3x-4y=-22

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

-3x-6y=-18

3x-4y=-22

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

-10y=-40

10y=40

y=40/10

y=4

x+2(4)=6

x+8=6

x=6-8

x=-2

Answer Link

yjung25 yjung25

15-07-2022

Answer:

x = -2

y = 4

Step-by-step explanation:

Ver imagen yjung25

Answer Link

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