Discussion

If x is an integer and y = –3x + 7, what is the least value of x for which y is less than 1?
(A)   1
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*This question is included in Nova Math - Diagnostic/Review:, question #17

The solution is

Posted: 08/21/2015 08:58
I solved this question using substitution since I knew x was an integer: I tried x=1, then x=2, then x=3, did the quick arithmetic and got the answer.

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