Respuestas

2012-06-15T03:33:51+02:00

Dos angulos son suplementarios si suman 180 grados.


(3x+12)+(2x-10)=180

3x+12+2x-10=180

5x+2=180

5x=180-2

5x=178

x=178/5

x=35.6


(5a+2)+(a-15)=180

5a+2+a-15=180

6a-13=180

6a=180-13

6a=167

a=167/6

a=27.83