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Given AOC = 108, AOB = 3x + 4, BOC = 8x - 28, find AOB.

 

 Mar 23, 2021
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yes, so note that AOB and BOC add up to AOC.

 

AOB + BOC = AOC

 

sub in the values given in the question to obtain

 

3x + 4 + 8x - 28 = 108

 

simple one-variable equation, x = 12.

 

and AOB is 3x + 4, so that's 3(12) + 4 = 40 is your answer

 

hey, that makes cents

 Mar 23, 2021

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