mastersnatasha mastersnatasha
  • 14-04-2021
  • Mathematics
contestada

2x+2y= 24
x=3y
What is the value of x+y?

Respuesta :

clarch19
clarch19 clarch19
  • 15-04-2021

Answer:

x = 9

y = 3

Step-by-step explanation:

2x + 2y = 24 is the same as x + y = 12

using substitution, x = 12-y

12 - y = 3y

12 = 4y

y = 3

x = 3(3)

x = 9

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