3a-4≥5
What is the answer?
3a-4+4≥5+4
3a≥9
a≥9/3
a≥3
Unless you are multiplying/dividing by a negative number, treat just like an equation. Multiplying/dividing by a negative number reverses the inequality (< to >).
3a ≥ 9
a ≥ 3
What is the answer?
3a≥9
a≥9/3
a≥3
3a ≥ 9
a ≥ 3