Answer:
:[tex]2 x + 2 x + 1[/tex]
Step-by-step explanation:
1) Open the brackets by multiplying them by the signs before them:
7x + 3 - 2 + 2x
2) Collect like terms:
7x + 2x + 3 - 2
3) Simplify:
9x + 1
Final answer: