Question

Rezolvati in Z

a)$\left \{ {{4x+4 \leq 3x-1} \atop {4x-5 \g \geq 5x+2 }} \right.$

Answer 1

{ x≤-5
  -x≥7
=>x∈{-5 ,-4,-3,-2,-1,0,1,2,3,4,5,6,7}