(9\(x\) - 23) : 5 = 2
9\(x\) - 8 = 2 x 5
9\(x\) - 8 = 10
9\(x\) = 18
\(x\) = 2
3\(x\) .(82 - 2.(25 - 1)] = 2022
3\(x\) .(64 - 2.31) = 2022
3\(x\).(64 - 62) = 2022
3\(x\).2 = 2022
\(x\) = 2022 : 2
\(x\) = 1011
[ 34 - (82 + 14):13]. \(x\) = 52 + 102
[81 - 78:13].\(x\) = 125
75.\(x\) = 125
\(x\) = 125: 75
\(x\) = \(\dfrac{5}{3}\)
22:(6\(x\) - 32) - 3 = 33
4:(6\(x\) - 9) = 33+ 3
6\(x\) - 9 = \(\dfrac{4}{36}\)
6\(x\) = \(\dfrac{1}{9}\) + 9
6\(x\) = \(\dfrac{82}{9}\)
\(x\) = \(\dfrac{82}{9}\):6
\(x\) = \(\dfrac{41}{27}\)
( 9x - 23 ) : 5 = 2
( 9x - 8 ) : 5 =2
9x - 8 = 2 .5
9x -8 = 10
9x = 10 + 8
9x = 18
x= 18 : 9
x =2
3x . [ 82 - 2. ( 25 -1 )] = 2022
3x . [ 64 -2 . ( 32 -1 ) ] = 2022
3x . [ 64 - 2 . 31 ] =2022
3x . [ 64 - 62 ] =2022
3x . 2 = 2022
3x = 2022 : 2
3x =1011
x=337
[34 - ( 82 + 14 ) : 13 ] . x = 52 + 102
[ 81 - ( 64 +14 ) : 13 ] . x = 25 + 100
[ 81 - 78 : 13] .x = 125
[ 81- 6 ] . x = 125
75 . x = 125
x= 125 : 75
x=∅
22 :( 6x - 32 ) - 3 =33
4 :( 6x - 9 ) - 3= 33
4 : ( 6x - 9) = 33 + 3
4 : ( 6x - 9 ) = 36
6x - 9 = 4 : 36
6x -9 = ∅
Bạn ơi đề câu cuối có sai ở đâu ko ạ. 4 ko chia hết cho 36 nên bằng rỗng nhé