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30 June, 18:52

Solve the equation. If there is no solution, select no solution. - 2|h-7|=-28

A) no solution

B) h = 7, h = - 21

C) h = - 7, h = 21

D) h = 21, h = - 21

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Answers (1)
  1. 30 June, 20:12
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    C). h = - 7, h = 21.

    Step-by-step explanation:

    -2|h-7| = - 28

    Divide both sides by - 2:

    |h - 7| = 14

    The vertical lines means the absolute value of h - 7. The h - 7 may be positive or negative so we have 2 equations:

    h - 7 = 14

    So h = 21.

    and h - 7 = - 14

    so h = - 7.
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