Question

Ajutor cum sa o rezolv

Answer 1

a) 4x-7>sau egal cu 25

4x> sau egal cu 32

x> sau egal cu 8

x€{8,7,6,5,4,3,2,1,0,-1,-2,.....}

b) |x| <2

x1<2 => x1€{1,0,-1,-2,-3,...}

x2< -2 => x2€{-3,-4,-5,.....}