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8 October, 14:45

The measure of an angle is 8 greater than 3 times its supplement. What is the measure of the angle?

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  1. 8 October, 17:25
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    8+3x (=the angle were looking for) + x=180

    8+4x=180

    8-8+4x=180-8

    4x=172

    4x/4=172/4

    x=43 (measure of the supplement)

    43 times 3 = 129

    129+8=137

    137 is your answer.

    checking work 137+43=180
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