Question

What's the value of x​

Answer 1

x=15

Explanation:

The angles in a triangle always add up to 180°

3x+7x+2x=180

12x=180 (combine like terms)

`(12x)/(12)`=
`(180)/(12)` (Divide both sides by 12)

x=15

Answer 2

the answer to this will be 15