lustlarrywrites
lustlarrywrites lustlarrywrites
  • 13-11-2018
  • Mathematics
contestada

use the elimination method to solve the system of equations choose the correct ordered pair 6x + 4y = 32 -6x + 4y = 8

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apologiabiology
apologiabiology apologiabiology
  • 13-11-2018

look at the coefients

coffients of x are -6 and 6, so if we add them together, we can get 0x and cancel them


add the equations

6x+4y=32

-6x+4y=8 +

0x+8y=40


8y=40

divie by 8 both sides

y=5

subsitute back


6x+4y=32

6x+4(5)=32

6x+20=32

6x=12

x=2


the ordered pair in (x,y) form is (2,5)

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23gosleegm
23gosleegm 23gosleegm
  • 18-11-2020

Answer:2,5

Step-by-step explanation: a p e x

Answer Link

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