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13 April, 16:08

An equation is shown below:

9 (3x - 16) + 15 = 6x - 24

Part A: Write the steps you will use to solve the equation, and explain each step.

Part B: What value of x makes the equation true?

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Answers (1)
  1. 13 April, 16:11
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    Part A:

    firs multiply 9 to 3x and minus 16, after that subtract 15 from - 144, then add both side to 129, then subtract 6x from both side, at the end divide bothe side to 21, the answer is 5.

    9 (3x-16) + 15=6x-24

    27x-144+15 = 6x-24

    27x-129 = 6x-24

    27x = 6x - 24 + 129

    27x = 6x + 105

    27x - 6x = 105

    21x = 105

    21x/21 = 105/21

    x = 5
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