Respuesta :

Step-by-step explanation:

We know that,

sum of all angles in a triangle measures 180°

Then,

(2x+6)+(3x-25)+y= 180°

2x+3x+y=180-6+25

5x+y=199°

x+y=199/5

=39.8

I know only upto this

Please ask your parent after this step