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01-10-2016
Mathematics

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Six times the sum of a number and twelve is forty. Which equation represents the statement above?

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01-10-2016

six times sum of a number and 12 is fourty
6(x+12)=40
divide both sides by 6
x+12=20/3
minus 12 from both sides (36/3)
x=-16/3

the eqution is

6(n+12)=40
where the number is n

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