20100521110007
20100521110007 20100521110007
  • 25-07-2020
  • Mathematics
contestada

x=y-y and 2x+4y=10 solve using substitution​

Respuesta :

Chegsnut36
Chegsnut36 Chegsnut36
  • 25-07-2020

Answer:

(0, 2.5)

Step-by-step explanation:

Well we substitute y-y into x in the following equation,

2x + 4y = 10

2(y-y) + 4y = 10

2y - 2y + 4y = 10

Combine like terms

2y - 2y = 0

4y = 10

10/4

y = 2.5

If y is 2.5 we can plug those into y.

2x + 4(2.5) =10

2x + 10 = 10

-10

2x = 0

0/2

x = 0

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