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8 December, 17:54

What is the measure of env (5x+57) degrees

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  1. 8 December, 18:26
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    D) 132°

    Step-by-step explanation:

    8x+12=5x+57 subtract 5x from both sides

    3x+12=57 subtract 12 from both sides

    3x = 45 divide by 3 from both sides

    X=15

    5 (15) + 57=132°
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