Question

For an equation 9-3x=21, the first step is

Answer 1

Answer: A.Subtract 9 from both sides

Step-by-step explanation:

Answer A: Subtract 9 from both sides

Explanation: You want to solve the x from this equation, then the first thing is to put the number that has no valiable x to the other sides, so in this equations, we want to move 9 to the right side, so we subtract 9 from both sides.

Answer 2

Answer:

A. Subtract 9 from both sides

Step-by-step explanation:

It is the "Correct Answer"