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15 October, 08:57

In ΔABC, m∠A = (3x + 8) °, m∠B = (2x + 7) °, and m∠C = (x - 9) °. What is the value of x?

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  1. 15 October, 09:22
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    x = 29

    Step-by-step explanation:

    In problems like these all you have to do is simply add up all the xs and set them equal to 180

    so

    3x+8+2x+7+x-9=180

    6x+6+180

    6x=174

    x=29
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