Respostas

2014-06-08T14:59:02-03:00
-5x+6 = -5x= -6  >>>  (-1) -5x= -6 >>>> 5x = 6 

logo x= 6/5 ou 1,2  ;D

2 5 2
2014-06-08T15:00:05-03:00
-5x+6=0
-5x=-6
5x=6
x=6/5
x=1,2