Respostas

2013-08-18T12:59:22-03:00
X + x/2 = 9
3x/2 = 9
3x = 18
x= 18/3
x = 6
3 4 3
x + x/2 = 9 (mmc)2x + x = 183x = 18x= 18/3x = 6