Respuesta :

Answer:

the answer to this will be 15

Answer:

x=15

Step-by-step explanation:

The angles in a triangle always add up to 180°

3x+7x+2x=180

12x=180  (combine like terms)

[tex]\frac{12x}{12}[/tex]=[tex]\frac{180}{12}[/tex]   (Divide both sides by 12)

x=15