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The three angles of a triangle have measures angle A = x + 2y degrees, angle B = 6x - 5y degrees, and angle C = 8x + 3y degrees. Find x (in degrees).

 Oct 10, 2020
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In a triangle the 3 angles have to sum to 180   so add them up and equate them to 180:

 

x+2y     +   6x-5y     +     8x+3y     = 180       when yo add them the y's will be gone....solve for x

 Oct 10, 2020

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