Respostas

2013-08-08T13:05:29-03:00
2x+x+2x-1=14
5x-1=14
5x= 14+1
5x= 15
x= 15/5
x=3


O lado x= 3
O lado 2x= 2*3= 6
O lado 2x-1= 2*3-1= 5
7 4 7