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07-11-2016
Mathematics

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eight times a number plus 3 times the number is the same as 9 more than 12 times the number. find the number

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07-11-2016

8x + 3x = 9 + 12x , x = - 9

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charstar charstar

07-11-2016

8x+3x=12x+9
11x=12x+9
11x-9=12x
-9=x

Hope this helps :)

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