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Which expression is equivalent to the expression below?

(4x + 2y - z) - (x - y + 7)

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  1. 7 July, 15:10
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    3x+3y-z-7

    Step-by-step explanation:

    "Let's simplify step-by-step.

    4x+2y-z - (x-y+7)

    Distribute the Negative Sign:

    =4x+2y-z+-1 (x-y+7)

    =4x+2y+-z+-1x+-1 (-y) + (-1) (7)

    =4x+2y+-z+-x+y+-7

    Combine Like Terms:

    =4x+2y+-z+-x+y+-7

    = (4x+-x) + (2y+y) + (-z) + (-7) " (Mathpapa)
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