Respuesta :

Answer 33

Step-by-step explanation:

A triangle’s angles will add to 180
(2x-33)+(2x+15)+2x=180

Add like terms
6x-18=180

Isolate the X
6x =198
x=33

Check answer
2(33)= 66
2(33)+15= 81
2(33)-33 =33
66+81+33=180
x=33