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26 April, 04:14

What is the justification for each step in the solution of the equation?

23x-13=2 (x+2) 23x-13=2 (x+2)

Select from the drop-down menus to correctly justify each step.

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  1. 26 April, 06:07
    +1
    Equation 23x - 13 = 2 (x + 2)

    Step justification

    23x - 13 = 2x + 4 distributive property

    23x - 2x - 13 = 2x - 2x + 4 subtraction property of equality (-2x)

    21x - 13 = 4 combine like terms

    21x - 13 + 13 = 4 + 13 addition property of equality (+13)

    21x = 17 combine like terrms

    21x / 21 = 17 / 21 division property of equality

    x = 17 / 21 21/21 = 1
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