yeetmaster1000
yeetmaster1000 yeetmaster1000
  • 26-04-2020
  • Mathematics
contestada

Find z: x+y=z y−z=x

Respuesta :

wegnerkolmp2741o
wegnerkolmp2741o wegnerkolmp2741o
  • 26-04-2020

Answer:

z = y

Step-by-step explanation:

x+y=z

y−z=x

Substitute the second equation in for x

y -z +y = z

Add z to each side

2y -z+z = z+z

2y = 2z

y =z

Answer Link
TREKKER
TREKKER TREKKER
  • 26-04-2020

Answer:

z = y

Step-by-step explanation:

Substitute the second equation into the first one:

(y-z) + y = z

Open up

2y - z = z

2y = 2z

y = z -->

x=0

Answer Link

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