Question

considerando que x corresponde a um número inteiro, determine os possíveis valores de x em que: 16< x < 21 -9< x <-4 -6< x < 0 -3< x < 3

Answer 1

16<x<21= {17,18,19,20}
-9<x<-4={-8,-7,-6,-5}
-6<x<0={-5,-4,-3,-2,-1}
-3<x<3={-2,-1,0,1,2}

x={-8,-7,-6,-5,-4,-3,-2,-1,0,1,2,17,18,19,20}