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18 July, 00:20

Angle A measures (2x + 23) °. Angle B is supplementary to angle A and measures (4x + 46) °. Write and solve an equation to find the value of x.

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  1. 18 July, 00:33
    0
    2x+23+4x+46=180

    6x+69=180

    6x=180-69

    6x=111

    x=111/6

    x=18.5
  2. 18 July, 00:45
    0
    Supplementary angles add up to 180 degrees.

    2x + 23 + 4x + 46 = 180

    Combine like terms:

    2x + 4x = 6x

    23 + 46 = 69

    6x + 69 = 180

    Subtract 69 to both sides:

    6x = 111

    Divide 6 to both sides:

    x = 18.5
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