Respuesta :

Answer: y= 9 - 3x

Step-by-step explanation:

1.) Factor out the common term 3.

3(3x + y) = 27

2.) Divide both sides by 3.

3x+ y + 27/3

3.) Simplify 27/3 to 9.

3x + y = 9

4.) Subtract 3x from both sides.

y = 9 - 3x