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31 March, 23:21

Which expression is not equivalent to

5x + 6?

A

4x + 7 + x - 1

B

3x + 3 + 2x + 3

C

5 (x + 1) + 1

D

x (5 + 6)

+4
Answers (1)
  1. 1 April, 02:51
    0
    5x + 6

    4x + 7 + x - 1 < Lets see if this one works

    4x + 1 = 5x

    5x + 6 << Equal

    3x + 2x = 5x

    5x + 6 << Equal

    5 (x + 1) + 1

    5x + 5 + 1

    5x + 6 << Equal

    x (5+6)

    5x + 6x << Not equal

    Answer: D) x (5 + 6) This one is not equal.
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