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02-12-2014
Mathematics

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Ten less than double a number is the same as seven times the number. Find the number

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AzureEchoes AzureEchoes

02-12-2014

Put in equation form, that problem would be 2n - 10 = 7n

Subtract 2n from each side and you get -10 = 5n

Divide both sides by 5 and you get -2 = n

So the answer would be -2 (negative two).

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