Answered

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21 = 3 + 4n + 5n
please help

Sagot :

Answer: n = 2

Step-by-step explanation:

AnlinAngelidn

Answer:

n=2

Step-by-step explanation:

21 = 3 + 4n + 5n

21 = 3 + 9n

9n = 18

n = 2

;)

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