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04-09-2017
Mathematics

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Three times a number plus 12 minus 5 times the same number is 22. What is the number

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kphung76127 kphung76127

04-09-2017

Let's use the variable x to represent the number.

3x+12-5x=22

Combine like terms
-2x+12=22

Subtract 12 from both sides
-2x=10

Divide both sides by -2
x=-5

Final answer: The number is -5

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