Answer:
a≤9
Step-by-step explanation:
a ≤ 9
2a-5 ≤ 13
add +5 then divide both sides by 2 to isolate the variable
step 1: 2a-5+5 ≤ 13+5 → 2a ≤ 18
step 2: 2a/2 ≤ 18/2 → a ≤ 9
