Answer:
ok
Step-by-step explanation:
add it
11+20+25+36
Answer: 7n
Because....
First Remove the parentheses (a) = a
= 11n - 3n - n
Then add similar elements: 11n - 3n - n = 7n
= 7n
* Hopefully this helps:) Mark me the brainliest:)!!
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