Question

3/2=5/x+1/5
Alguém sabe essa?

Answer 1

15x/10x = 50/10x + 2x/10x      mmc entre (2,x,5) = 10x
 15x = 50 + 2x
50 = 15x - 2x
50 = 13x
x = 50/13

3/2 = 5/50/13 + 1/5
3/2 = 5 * 13/50 + 1/5
3/2 = 65/50 + 1/5
3/2 = 65/50 + 10/50                    mmc entre (50,5) = 50
3/2 = 75/50
3/2 = 15/10                                 simplifica por 5
3/2 = 3/2