mrs7debbsamerodr mrs7debbsamerodr

09-09-2016
Mathematics

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M is the midpoint of AB, AM=3x+3 and AB=8x-6 What is the length of MB

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daguealex daguealex

09-09-2016

If it's the midpoint then MB=3x+3, but to find length set AM equal to one half AB
3x+3=(8x-6)(1/2) or 2(3x+3)=8x-6

2(3x+3)=8x-6
6x+6=8x-6
12=2x
X=6

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