Homework Help: Math

Posted by Jennifer on Tuesday, September 2, 2008 at 4:16pm.

Suppose M is between L and N. Use the Segment Addition Postulate to solve for the variable. Then fine the lenghts of LM, MN, and LN.

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

Please tell me how you got your answers.

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