Respuesta :

Hi there!

The first step would be to combine like terms.

Hope this helps !

Step-by-step explanation:

The first step is to move the like terms to same side of equation

3x + 9 = 17x - 11 ➡ 9 + 11 = 17x - 3x

then we add like terms

20 = 14x simplify if needed

10 = 7x and x = 10/7