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Question is in image

 

 Jul 25, 2020
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Angle B and C add to form a straight line (180o)      .....and note that angle C = angle A

3x-2      +      12x+2       =    180o

 

Now you can solve for 'x'    then angle C = 12x+2    ....and this equals  angle A

 Jul 25, 2020

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