Problema Solution
2 is added to twice a certain number and the sum is doubled. The resultis 10 less than 5 times the original number. Find the original number
Answer provided by our tutors
let 'x' be the original number
2 is added to twice a certain number and the sum is doubled. the results 10 less than 5 times the original number
(2 + 2x)2 = 5x - 10
by simplifying and solving we find
x = 14
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the original number is 14.