Eric is solving the inequality and graphing the solution 9x+15≥ 51

Correctly order the steps he used

Step 1-
Step 2-
Step 3-
Step4-

Step 1- Subtract 15 from both sides of the inequality: 9x ≥ 51 - 15

Step 2- Simplify the right side of the inequality: 9x ≥ 36

Step 3- Divide both sides of the inequality by 9: x ≥ 4

Step 4- Graph the solution on a number line or write the solution as an interval notation: [4, +∞)