brandoncrew32 brandoncrew32
  • 17-06-2021
  • Mathematics
contestada

2x - 5y + 3 = 6x - 3y + 7. If x = 4, what is the value of y?

Respuesta :

akbusiness987
akbusiness987 akbusiness987
  • 17-06-2021

Answer:

y = - 10

Step-by-step explanation:

2x - 5y + 3 = 6x - 3y + 7

2(4) - 5y + 3 = 6(4) - 3y + 7

8 - 5y + 3 = 24 - 3y + 7

11 - 5y = 31 - 3y

11 - 11 - 5y = 31 - 11 - 3y

- 5y = 20 - 3y

- 5y + 3y = 20 - 3y + 3y

- 2y = 20

- 2y ÷ - 2 = 20 ÷ - 2

y = - 10

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