3/4-(x+1/2)=1/4.giúp em vs ạ

2 câu trả lời

3/4 - ( x + 1/2 ) = 1/4

X = 3/4 - 1/2 - 1/4

X = 1/4 - 1/4

X = 0

 

 3/4-(x+1/20)=1/4

       (x +1/20)=3/4-1/4

          x+1/20=1/2-1/20 (1/20=1/2)

          x          =0