Respuesta :

giselesze121

Answer:

-1

Step-by-step explanation:

7x+3y = 9

7x+3y is 9 so it becomes -

9-10

which is -1

hope this helps
:))

Answer:

  • -1

Step-by-step explanation:

Given

  • 7x + 3y = 9

We need to evaluate :

  • 7x + 3y - 10

We already know the value of 7x + 3y, so substitute its value in the given equation and solve.

  • 7x + 3y - 10
  • 9 - 10
  • -1