please help,been stuck for a week.

label Algebra
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Angle ABD and angle BDC are a linear pair. measurement of angle ABD=3x+14 & m angle BDC=5x.What are the measurements of angle ABD and angle BDC? 1.what do you know? 2.)what do you need? 3.what is your plan? 4.)What is your solution? PLEASE HELP! 

Dec 3rd, 2014

3x + 14 + 5x = 180 (degrees)  Linear pair means that both angles will equal a line (180 degrees)

8x + 14 = 180

8x + 14 - 14 = 180 - 14 (subtract 14 from both sides)

8x = 166

x = 20.75 degrees

Angle BDC = 5x = 5 (20.75) = 103.75 degrees

Angle ABD - 180 - 103.75 = 76.25 degrees

Dec 3rd, 2014

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Dec 3rd, 2014
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Dec 3rd, 2014
Sep 24th, 2017
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