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2 March, 18:14

Which expressions are equivalent to - 6.3x - 4.2?

-4.7 - 2.3x + 0.5 - 4x

-5.3x - 4.2 - x

-3.4 - 6.3x - 0.8

-6.2x - 4.2

-4.2x - 6.3

-3.7 - 5.3x + 0.5

multiple choice.

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Answers (1)
  1. 2 March, 19:47
    0
    (1) : - 4.7 - 2.3x + 0.5 - 4x

    (2) : -5.3x-4.2-x

    (3) : -3.4-6.3x-0.8

    Step-by-step explanation:

    By Collecting like terms and adding the answer I get - 6.3x - 4.2

    (1) : -4.7-2.3x+0.5-4x

    Collect like terms

    -2.3x-4x-4.7+0.5

    -6.3x-4.2

    (2) : -5.3x-4.2-x

    Collect like terms

    -5.3x-x-4.2

    -6.3x-4.2

    (3) : - 3.4-6.3x-0.8

    Collect like terms

    -6.3x-3.4-0.8

    -6.3x-4.2
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