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2 August, 01:34

Simplify 12 + 3 (2x - 3) + 4.

6x - 3

6x + 7

6x + 13

+1
Answers (2)
  1. 2 August, 01:39
    0
    12 + 3 (2x-3) + 4

    multiply 3 by 2x and by - 3

    12 + 6x - 9 + 4

    6x+7
  2. 2 August, 01:56
    0
    Remember the distributive property

    a (b+c) = ab+ac

    and commutative property

    a+b=b+a

    so

    distribute first

    3 (2x-3) = 3 (2x) + 3 (-3) = 6x-9

    now we have

    12+6x-9+4

    move like terms together

    6x+12-9+4

    add like terms

    6x+7

    the answer is 6x+7
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