hommejas000 hommejas000
  • 28-01-2021
  • Mathematics
contestada

Solve the following system of equations y=-2x-5 and 2x-4y=0

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emmagbales
emmagbales emmagbales
  • 28-01-2021

Answer:

x=-2 y=-1

Step-by-step explanation:

all you have to do is substitute -2x-5 for y in the second equation

2x-4(-2x-5)=0

2x+8x+20=0

10x=-20

x=-2

y=-2(-2)-5

y=4-5

y=-1

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