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Find MN LM = 3y + 4 MN = 7y + 9 LN = 143
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Find MN

LM = 3y + 4
MN = 7y + 9
LN = 143

Find MN LM = 3y + 4 MN = 7y + 9 LN = 143-example-1
User Neoneye
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1 Answer

4 votes

Answer:

B. 100

Explanation:


3y+4+7y+9=143


10x+13=143 143-13=130

10x=130 divide both sides by 10 130/10= 13 x=13

MN=7(13)=91+9=100

LN=3(13)=39+4=43

100+43

User RedScourge
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