3. A student followed the steps shown to solve the given equation.
Given: 9x2 + 15 = 24
Step 1: 9x2 = 9
I
Step 2: x2 = 81
Step 3: X = +9
Which statement is true about the steps the student used to solve the equation?
M. From the given equation to Step 1, the student should have added 15 to both
sides of the equation.
P. From Step 1 to Step 2, the student should have divided both sides of the
equation by 9.
R. From Step 2 to Step 3, the student should have squared both sides of the
equation.
S. The student made no mistake, so the solution is correct.