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14 October, 00:18

The expression on the left side of an equation is shown below. 3x+9 = []

If the equation has no solution, which expression can be written in the box on the other side of the equation?

A. - 9

B. - 3

C. 3x

D. 3x + 9

+2
Answers (2)
  1. 14 October, 00:59
    0
    C. 3x

    Step-by-step explanation:

    The first two choices give 1 solution each.

    The last choice gives an infinite number of solutions.

    Choice C. gives no solution.

    3x + 9 = 3x

    Subtract 3x from both sides.

    9 = 0

    Since 9 = 0 is false, equation 3x + 9 = 3x has no solution.
  2. 14 October, 03:13
    0
    its option c
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