Respuesta :

Answer:

MZA= 57

Step-by-step explanation:

(3x +9) +(6x +27) =180

3x + 9 6x+27=180

9x + 36= 180

9x-180-36

9x= 144

Divide both sides by 9

X=16

MZA= (3x+9)

MZA= (3 x 16) +9)

MZA- (48+9)

MZA= 57