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]
