Question

Multimea solutiilor inecuatie 2x-1 mai mic sau egal ca 5 este intervalul????

Answer 1

$2x-1 \leq 5 \\\\ 2x \leq 5+1 \\\\ 2x \leq 6 \ \ \ |:2 \\\\ x \leq 3 \\\\ \boxed{x\in (-\infty;3]}$

Answer 2

2x-1≤5
⇒2x≤5+1
⇒2x≤6
⇒x≤6/2
⇒x≤3
⇒x∈[0;1;2;3];