How do you solve 2x-9=15?

2 Answers
May 14, 2018

x=12

Explanation:

Move the variable to one side, and the constant to the other, to get
2x=24
Then, divide both sides by 2 to get
x=12

May 14, 2018

x=12

Explanation:

2x - 9 = 15

We wanna start by adding 9 on both sides

2x - 9 + 9 = 15 + 9

2x = 24

Then divide both sides by 2

(cancel2x)/cancel2 = 24/2

x = 12