cesartincopa
cesartincopa
04-05-2018
Mathematics
contestada
Please help be good person
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Brick123
Brick123
04-05-2018
Hello!
I believe n=13
You can find the answer by adding 1, 2, and 3 together to get 6. You then divide 78 by 6 to get 13. You can also substitute n w/ 13 and solve the equation from there to check your answer.
I hope this helps!
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