25erd01 25erd01
  • 02-06-2022
  • Mathematics
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What is the answer to 5x+5y=0 -8x+y=36 in ordered pairs?

Respuesta :

yxzdxn
yxzdxn yxzdxn
  • 02-06-2022
first because 5x+5y=0 you can factor the 5 from equation so:
5(x+y)=5(0) => x+y=0
and by solving for x using elimination method
-8x+y=36
x+y=0
by subtracting both x and y we get
-9x=36 => x=-4
by inputing x into the "x+y=0" equation we get:
-4+y=0 => y=4
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