CAN SOMEONE HELP ME!!!!!!!!!!!!!!!!!!!!!!!
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Answer:
7n-13
Step-by-step explanation:
First we open up the parentheses by multiplying n and 5 by 3. So in result n will be 3n and 5 would be 15. Then we add 4n with 3n which is 7n, and we add -15 and 2 which would be 13. So 7n-13