12 . ( x - 1 ) = 0
x - 1 = 0 : 12
x - 1 = 0
x = 1
12(x-1)=0
\(\Leftrightarrow\)\(\orbr{\begin{cases}12=0\left(vôlý\right)\\x-1=0\end{cases}}\)
\(\Leftrightarrow\)x = 1
12 . ( x - 1 ) = 0
( x - 1 ) = 0 : 12
x - 1 = 0
x = 0 + 1
x = 1
12 * ( x - 1 ) = 0
==> x - 1 = 0 / 12
x - 1 = 0
x = 1
Vậy x = 1
12 x ( x - 1 ) = 0
= > = 12 x 0 = 0
x - 1 = 0 = > x = 1
12 x ( x - 1 ) = 0
x - 1 = 0 : 12
x - 1 = 0
x = 0 + 1
x = 1
Vậy x = 1
12 x (x - 1) = 0
x - 1 = 0 : 12
x - 1 = 0
x = 0 + 1
x = 1
nguyen thi mong manh
12 x ( x - 1 ) = 0
= > = 12 x 0 = 0 x - 1 = 0
= > x = 1
6*x-5=613
6x=613+5
x=618:6
x=103
Vậy x=103