alexandra123448 alexandra123448
  • 10-01-2021
  • Mathematics
contestada

Pl help it’s for homwork

Pl help its for homwork class=

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sernia242
sernia242 sernia242
  • 10-01-2021
x=5
y=6

here’s how i got it:
-6x+6y=6
-6x+3y=-12

multiply the second equation by -1
you will get this:

-6x+6y=6
6x-3y=12

add them up and you will get
y=6
then substitute y in one of the equations and you will get x=5

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