Answer:
a ≤ 9
Explanation:
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
a≤9
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