Respuesta :

Step-by-step explanation:

1. Combine Like Terms (Add):

[tex]5x+15+10x+7[/tex]

[tex]15x+22[/tex]

2. Use Distributive Property:

[tex]5(x+3)+2x+7[/tex]

[tex]5x+15+2x+7[/tex]

Combine Like Terms:

[tex]7x+22[/tex]