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27-08-2018
Mathematics

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

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Supernova Supernova

27-08-2018

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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