4x : 19 = 0
=> 4x = 0 . 19
=> 4x = 0
=> x = 0 : 4
=> x = 0
bn đùa mk bài này à?
4x:19=0
4x=0
x=0:4
x=0
4x : 19 = 0
=>4x=0:19=0
=>x=0:4
=>x=0
\(4x:19=0\)
\(4x=0.19\)
\(4x=0\)
\(x=0:4\)
\(\Rightarrow x=0\)
Tra loi :
4x = 0
x = 0 : 4
x = 0
~ 양 셜 김 ~