Leonardo de Almeida Gomes
03/03/2017 • 12:20
2/5x + 1/4x + 7000 = x
tirando o mmc = 20
8x + 5x + 140000 = 20x
140000 = 20x - 13x
140000 = 7x
x = 20000.
tirando o mmc = 20
8x + 5x + 140000 = 20x
140000 = 20x - 13x
140000 = 7x
x = 20000.