( 35 - 2x ) . 4 + 26 = 38
( 35 - 2 . x ) . 4 = 38 - 26
( 35 - 2 . x ) . 4 = 12
( 35 - 2 . x ) = 12 : 4
( 35 - 2 . x ) = 3
2 . x = 35 - 3
2 . x = 32
x = 32 : 2
x = 16
( 35 - 2 . x ) . 4 + 26 = 38
( 35 - 2 . x ) . 4 = 38 - 26
( 35 - 2 . x ) . 4 = 12
35 - 2 . x = 12 : 4
35 - 2 . x = 3
2 . x = 35 - 3
2 . x = 32
x = 32 : 2
x = 16
Vậy = 16
(35 - 2 . x) . 4 + 26 = 38
(35 - 2 . x) . 4 = 38 - 26
(35 - 2 . x) . 4 = 12
35 - 2 . x = 12 : 4
35 - 2 . x = 3
- 2x = 3 - 35
- 2x = -32
x = (-32) : (-2)
x = 16
(35-2.x).4=38 -26
(35-2.x).4=12
(35-2.x)=12 :4
(35-2.x)=3
35-2.x =3
2.x=35 -3
2.x=32
x=32:2
x= 16 chúc bn học giỏi