the difference of 3 times a number and 9 is -12

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the difference of 3 times a number and 9 is -12

Guest Sep 26, 2014

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Best Answer

+129840

+5

Let N be the number...so we have

3N - 9 = -12

Add 9 to both sides

3N = -3 divide both sides by 3

N = -1

CPhill Sep 26, 2014

1⁺⁰ Answers

+129840

+5

Best Answer

Let N be the number...so we have

3N - 9 = -12

Add 9 to both sides

3N = -3 divide both sides by 3

N = -1

CPhill Sep 26, 2014

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