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28 August, 19:24

How many solutions are there to the equation below. 9x+27=9 (x+2) + 9

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  1. 28 August, 20:47
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    All Real Numbers Are Solutions

    Explanation:

    9x + 27 = 9 (x + 2) + 9

    Simplify both sides of the equation.

    9x + 27 = 9 (x + 2) + 9

    9x + 27 = (9) (x) + (9) (2) + 9 (Distribute)

    9x + 27 = 9x + 18 + 9

    9x + 27 = (9x) + (18) (Combine Like Terms)

    9x + 27 = 9x + 27

    9x + 27 = 9x + 27

    Subtract 9x from both sides.

    9x + 27 - 9x = 9x + 27 - 9x

    27 = 27

    Subtract 27 from both sides.

    27 - 27 = 27 - 27

    0 = 0

    Therefore, all real numbers are solutions.
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