MajorGeneralZman
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Draw a diagram. Write the Segment Addition Postulate for the points described. Then solve for missing length.

9. T is between M and N if NT=x+5, MN=3x, and MT=7, what is MN?

Please show all work and not just answers.

Respuesta :

babykutush2004

Answer:

MN= 18

Step-by-step explanation:

NT=x+5

MN=3x

MT=7

MT+NT=MN

=>7+x+5=3x

=>12+x=3x

=>x-3x=-12

=>-2x=-12

=>x=12/2

=>x=6

MN=3x=3 * 6 = 18

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