Here's the question you clicked on:
technopanda13
3a – 4 ≤ 5 ?
3a - 4 + 4 ≤ 5 + 4 3a ≤ 9 9/3 a = 3
It shouldn't be an equality... you do need to solve for "a" the way you showed, but the result should still be an inequality like the way the problem started.
3a - 4 + 4 ≤ 5 + 4 3a ≤ 9 3a/3 ≤ 9/3 a ≤ 3