zulemar812 zulemar812
  • 26-08-2021
  • Mathematics
contestada

I NEED HELP WITH NUMBER 4 and I need to show work :((

I NEED HELP WITH NUMBER 4 and I need to show work class=

Respuesta :

lyuck lyuck
  • 26-08-2021

Answer:

x = 1, y = 9

Step-by-step explanation:

y = 7 + 2x

4x + 3(7 + 2x) = 31

4x + 21 + 6x = 31

10x = 10

x = 1

y = 7 + 2(1)

y = 9

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