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12 October, 17:00

Solve 7 (3-x) <5x-15 for x

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  1. 12 October, 19:28
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    7 (3 - x) < 5x - 15

    Distribute 7 inside the parentheses.

    21 - 7x < 5x - 15

    Subtract 21 from both sides.

    -7x < 5x - 36

    Subtract 5x from both sides.

    -12x < - 36

    Divide both sides by - 12. The equality sign will get flipped because you are dividing by a negative.

    x > 3
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