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30 November, 09:59

An expression is simplified below. Justify each step of the process

by naming the property that was used or by writing "combine like

terms ..." I will bold the part that changed!

27 + 3 (2x + 6) + 2x This is the starting expression

27 + 6x + 18 + 2x

3.

27 + 18 + 6x + 2x

4.

(27 + 18) + (6x + 2x) 5.

45 + (6x + 2x)

6.

45 + 8x

7.

+4
Answers (1)
  1. 30 November, 10:10
    0
    Step-by-step explanation:

    you started by expanding the bracket 3 (2x+6) became 6x+18./

    Then you rearranged the equation so like terms were together.

    You put brackets around the like terms so (27+18) + (6x+2x)

    You added the first like terms (27+18) = 45

    then you added the second like terms (6x+2x) = 8x
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