Question

resolva a equaçao a seguir:
x/2 +x/4 =2/3

Answer 1

x + x  =  2
2    4      3

mmc (2,3, 4) = 12

2,4,3: 2
1,2,3: 2
1,1,3: 3
1,1,1   = 2.2.3 = 4.3 = 12

6x + 3x = 8
  12         12

6x + 3x = 8
9x = 8
x = 8/9