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13 April, 11:53

Which expression is equivalent to (-3y-x) - (5y-8x)

A.-8y-8x

B.-8y+7x

C. 2y-7x

D. 8y+8x

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Answers (2)
  1. 13 April, 12:12
    0
    B: - 8y + 7x

    Step-by-step explanation:

    Start with (-3y-x) - (5y-8x). This is a subtraction problem. Subtract 5y from - 3y, obtaining - 8y. Next, subtract - 8x from - x; this is equivalent to - x - (-8x), or 7x.

    Then the difference - x + 8x = 7x.

    Combining the x and y results, we get B: - 8y + 7x.
  2. 13 April, 12:13
    0
    Multiply the negative sign into the second bracket and get rid of both brackets

    -3y-x-5y+8x

    Collect like terms

    -8y+7x
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