brianaarellano17 brianaarellano17
  • 09-01-2019
  • Mathematics
contestada

Sole the system by elimination -4x+9y=9 x-3y=-6

Respuesta :

wolf1728
wolf1728 wolf1728
  • 09-01-2019

Answer:

A) -4x + 9y = 9

B) x -3y = -6

We multiply B) by 3

B) 3x -9y = -18 Then add it to A)

A) -4x + 9y = 9

-x = -9

x = 9

9 -3y = -6

3y = 15

y = 5


Step-by-step explanation:


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