devon476 devon476
  • 19-11-2019
  • Mathematics
contestada

x + 5y = 8
-x + 2y = -1
How is this solved?

Respuesta :

gronto
gronto gronto
  • 19-11-2019
Add both the equations together to eliminate x

x+5y=8
-x+2y=-1

7y=7
y=1

Now fill in y into the original equation

x+5(1)=8
x+5=8
x=3

Now you can check by filling x and y into the second equation.

-(3)+2(1)=-1
-3+2=-1
-1=-1

So your answer will be (3, 1)

Brainliest my answer if it helps you out?
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