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25 June, 08:11

15=3 - (z+6) solve the equation and check your solution

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Answers (2)
  1. 25 June, 08:54
    0
    15 = 3 - (z+6)

    15 = 3 - z - 6

    z = 3 - 6 - 15

    z = - 18

    check:

    15 = 3 - (z+6)

    15 = 3 - (-18+6)

    15 = 3 - (-12)

    15 = 3 + 12

    15 = 15 (true)
  2. 25 June, 09:39
    0
    So, 15 = 3 - z - 6 / + z;

    15 + z = 3 - 6;

    15 + z = - 3 / - 15;

    z = - 18;

    Check the solution: 3 - (-18 + 6) = 3 - (-12) = 3 + 12 = 15. Okay!
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