Question

ezolvati in multimea numerelor naturale inecuatia: 824:8+5 x X mai mic sau egal cu 133

Answer 1

824:8+5 · X ≤133103+5·x≤133
5·x≤133-105
5·x≤30
x≤30:5
x≤6
x∈N⇒x∈{0,1,2,3,4,5,6}

Answer 2

103+5X≤133
5X≤133-103⇒≤30
X≤6
X∈{0,1,2...,6}