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7 October, 15:56

21/7+3/7 (3x-5) = - 4

Drag and drop the statement that shows the solution to the equation into the box.

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  1. 7 October, 16:06
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    21/7 + 3/7 (3x - 5) = - 4

    21/7 + 9/7x - 15/7 = - 4 ... multiply everything by 7

    21 + 9x - 15 = - 28

    9x + 6 = - 28

    9x = - 28 - 6

    9x = - 34

    x = - 34/9 or - 3 7/9
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