lexinewton25
lexinewton25 lexinewton25
  • 19-02-2021
  • Mathematics
contestada

can someone please help ​

can someone please help class=

Respuesta :

krisi554
krisi554 krisi554
  • 19-02-2021

Answer:

x=3, y= - 2

Step-by-step explanation:

4x + 3y = 6

x-3y= 9

x=9+3y

4.(9+3y)+3y=6

36+12y+3y=6

15y = - 30

y = - 2

=> x= 9+3y

x= 9+ 3.(- 2)

x= 3

Answer Link
mrsrurmqn
mrsrurmqn mrsrurmqn
  • 19-02-2021
x-3y=9
x=3y+9
4(3y+9)-3y=9
12y-3y+36=9
9y=-27
y=-3
x-3(-3)=9
x+9=9
x=0
(0,-3)
Answer Link

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