How do you solve \frac{2}{3} x - 3x + 21= 0?

2 Answers
Jun 6, 2018

x=9

Explanation:

First, subtract 21 from both sides.

2/3x - 3x = 21

Second, add like terms. Then you should have

-7/3x=-21

Third, multiply both sides by -3, leaving you with

7x=63

Fourth, divide both sides by 7 and then you will end with

x =9

Jun 6, 2018

color(red)(=>x=9)

Explanation:

2/3x-3x+21=0

=>2/3x-9/3x+21=0

=>-7/3x+21=0

=>cancel-7/3x=cancel-21

=>7x=63

color(red)(=>x=9

~Hope this helps! :)