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5 May, 00:35

In order to make the expression below equivalent to 1 2 x + 6, which additional operation should be included in the expression?

5/4x + 6

A - x

B - 2x

C - 3x/4

D + 3x/4

+5
Answers (2)
  1. 5 May, 00:47
    0
    C - 3x/4

    Step-by-step explanation:

    We want 5/4 x + 6 to be equal to 1/2x+6 by adding something to 5/4x

    5/4 x + 6 + y = 1/2x+6

    We need to solve for y

    Subtract 6 from each side

    5/4 x + 6-6 + y = 1/2x+6-6

    5/4 x + y = 1/2x

    Subtract 5/4x from each side

    5/4 x-5/4x + y = 1/2x-5/4x

    y = 1/2x-5/4x

    Get a common denominator

    y = 1/2*2/2 x - 5/4 x

    2/4x - 5/4 x

    -3/4x
  2. 5 May, 01:48
    0
    The answer is c-3x/4
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