Question

resolva 3x/4-x/6=5????

Answer 1

3x/4-x/6=5  
MMC 
4,6|2
2,3|2
1,3|3
1,1-------------------
         2x2x3 = 12
9x - 2x = 60
7x = 60
x = 60/7

MMC 
5,2,10|2
5,1,5  |5
1,,1,1 ---------------
              2 x 5 = 10 

2x + 5x = 7
7x = 7 
x = 7/7 
x = 1