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Well, sweetheart, an integer is any whole number, positive or negative, without any decimal or fractional parts. So yes, -7 is definitely an integer. It's not playing any games, it's just a good ol' negative whole number.
Yes it is. The integers are the counting numbers (1, 2, 3, ...), their opposites (-1, -2, -3, ...) and zero (0).
No, the square root of 7 is NOT an Integer ...The square root of 7 = 2.64575131106
5x + 3y = 7z 5, 3, and 7 are coefficients and they are integers, they are integer coefficients
7
6+7=13 and 6 and 7 are consecutive. 6 is the smaller integer so answer is 6
14/2 = 7 and is therefore both an integer and rational.