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If LN=9x-39, LM=47, and MN=3x+10 find MN

1 Answer

6 votes

Answer:

11

Explanation:

ML+LN=MN solve for x

(47)+(9x-39)=(3x+10) = 1/3

x = 1/3

plug into MN

3(1/3)+10=11

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