Respuestas

2012-08-04T04:13:18+02:00

6(a+2)-10(a+5)=2+6(a-3)

6a+6(2)-10(a)-10(5)=2+6a-6(3)

6a+12-10a-50=2+6a-18

-4a-38=6a-16

-38+16=6a+4a

-22=10a

-11/5=a

2012-08-04T04:17:18+02:00

6a+12-10a-50=2+6a-18

-10a-38=-16

-10a=22

a=22/10

a=-11/5