4x:17=0
4x =0.17
4x =0
x =0:4
x 0
8(x-3)=0
x-3=0:3
x-3=0
x =0+3
x =3
0:x=0
x=1;2;3;4;...
4 x : 17 = 0
4 : x = 0 x 17
4 : x = 0
x = 0 x 4
x = 0
8 ( x - 3 ) = 0
x - 3 = 0 x 3
x = 0 + 3
x = 3
0 : x = 0
x = 1 hoac 2,3,4,5,6,....
4x:17=0
4:x=0.17
4:x=0
x=4:0
x=0
8(x-3)=0
x-3=3x0
x=0+3
x=3
0:x=0
x=0;1;2;3;4;5.......
a, 25+[x+17]=0 ; b, 20-[x+12]=0 ; c, 15+[5-x]=-7 ; d, 3-5+[-x+3]=6 ; e, 25-[30+x]=x-[27-8] ; f, [x-12]-15=[20-7]-[18+x]
\(4x:17=0\Rightarrow4x=0.17\Rightarrow4x=0\)
\(x=0:4\Rightarrow x=0\)
\(8\left(x-3\right)=0\Rightarrow x-3=0\)
\(x=0+3\Rightarrow x=3\)
\(0:x=0\Rightarrow x=0:0\Rightarrow x=0\)
0 : x = 0
Vì trong phép chia cho 0 chỉ chỉ có thể là số chia
hoac số bi chia mà 0 chia cho so nào cũng =0
Suy ra x =N*