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3 November, 16:00

One angle is 4x*

another one is (x+13) *

the another one is (3x-9) *

guess the x

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Answers (1)
  1. 3 November, 16:40
    0
    x = 22

    Step-by-step explanation:

    4x + x + 13 + 3x - 9 = 180

    8x + 4 = 180 Combine like terms

    - 4 - 4 Subtract 4 on both sides

    8x = 176 Divide both sides by 8

    x = 22
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