92 - 6(x - 7 ) = 38
6(x - 7 ) = 92 - 38
6( x-7 ) = 54
x - 7 = 54 : 6
x - 7 = 9
x = 9 + 7
x = 16
<=> -6x +42 = -54
<=>-6x = -96
=> x = 16
92 - 6 . ( x - 7 ) = 38
6 . ( x - 7 ) = 92 - 38
6 . ( x - 7 ) = 54
x - 7 = 54 : 6
x - 7 = 9
x = 9 + 7
x = 16
92-6(x-7)=38
6(x-7)=92-38
6(x-7)=54
(x-7)=54:6
X-7=9
x=9+7
x=16
K MÌNH NHÉ
\(92-6.\left(x-7\right)=38\)
\(6.\left(x-7\right)=92-38\)
\(6.\left(x-7\right)=54\)
\(x-7=54:6\)
\(x-7=9\)
\(x=9+7\)
\(x=13\)
92 - 6 x ( x - 7 ) = 38
6 x ( x - 7 ) = 92 - 38
6 x ( x - 7 ) = 54
x - 7 = 54 : 6
x - 7 = 9
x = 9 + 7
x = 16
92 - 6 (x - 7 ) = 38
6 (x - 7 ) = 92 - 38
6 ( x - 7 ) = 54
x - 7 = 54 : 6
x - 7 = 9
x = 9 + 7
x = 16
92 - 6 (x - 7 ) = 38
6 (x - 7 ) = 92 - 38
6 ( x - 7 ) = 54
x - 7 = 54 : 6
x - 7 = 9
x = 9 + 7
x = 16