Answer:
a > -9
Step-by-step explanation:
-9 + 2a < 3a
1. Add 9 to both sides
-9 + 2a + 9 < 3a + 9
2. Simplify
2a < 3a + 9
3. Subtract 3a from both sides
2a - 3a < 3a + 9 - 3a
4. Simplify
-a < 9
5. Multiply both sides by -1 (reverse the inequality)
(-a)(-1) > 9(-1)
6. Simplify
a > -9
