Answer:50
Step-by-step explanation:(x+10)+(2x+20)=180
Answer: the picture...it won't load
Step-by-step explanation:
Beachside it is supposed to be 619 into that form
For this case we have the following arithmetic sequence:

To write in function form, we apply distributive property to the terms within parentheses:

Different signs are subtracted and the major sign is placed.
We simplify:

Answer:

Option C