If the number is N then 2N - 5 = 7
then 2N = 12 so that N = 6
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Six times a number minus five is less than twice the number plus ten. 6 * n - 5 < 2 * n + 10 6n - 5 < 2n + 10 4n - 5 < 10 4n < 15 n < 15/4 This statement will hold true for all n < 15/4
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Given a number N, you would have: 2*N - 5
2n-10
twice a number can be 2x and six less than it is 2x-6.