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The sum of 10 and a number is 3 times the number. 10 3n = n 10 n = 3 n 10 n = 3n 10(n 3) = n
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The sum of 10 and a number is 3 times the number. 10 3n = n 10 n = 3 n 10 n = 3n 10(n 3) = n

User Harish Ambady
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the sum of 10 and that number equal 10+n = 3n => n=5
User Spyridon
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