Question

resolva as inequacoes adotando u=z


4×-7 <3×+1

Answer 1

4x-7 < 3x+1
4x-3x < 1+7
x < 8 
logo X pertence aos inteiros tal que x < 8
{...-5,-4,-3,-2,-1,0,1,2,3,4,5,6,7,8}