janabacon09 janabacon09
  • 03-10-2017
  • Mathematics
contestada

What is 2x-4y=20 for y

Respuesta :

annalaw2020
annalaw2020 annalaw2020
  • 03-10-2017
okay so you need to get the y by itself

2x - 4y = 20

subtract the 2x over

-4y = -2x + 20

divide everything by -4

y = 1/2x - 5        <-------   this is your answer


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