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[(6x-72)÷2-84]×28=5628
[(6x-72)÷2-84] =5628÷28
[(6x-72)÷2-84] =201
(6x-72)÷2 =201+84
(6x-72)÷2 =285
(6x-72) =285×2
(6x-72) =570
6x =570+72
6x =642
x =642÷26
x =107
![](https://rs.olm.vn/images/avt/0.png?1311)
[(6x-72):2-84]×28=5628
⇔x=107 ....
Vậy x=107
![](https://rs.olm.vn/images/avt/0.png?1311)
![](https://rs.olm.vn/images/avt/0.png?1311)
6x-72 : 2-84.28=5628
=> 6x-36-2352= 5628
=> 6x= 36+2352+5629
=> 6x=8016
=> x=1336
=>
TL:
\(6x-36-2352=5658\)
\(6x-2388=5658\)
\(6x=8046\)
\(x=1341\)
Vậy x=1341
![](https://rs.olm.vn/images/avt/0.png?1311)
[(6x-72) : 2-84].28=5628
[(6x-72) :2-84] =5628:28=201
(6x-72):2 = 201+84=285
6x-72 =285.2=570
6x =570+72=642
x =642:6= 107
[(6x-72):2-84] .28=5628
[(6x-72):2-84]=5628:28
[(6x-72):2-84]=201
[(6x-72):2]=201+84
[(6x-72):2]=285
6x-72=285.2
6x-72=570
6x=570+72
6x=642
x=624:6
x=104
Vậy x=104
giùm mk nha bạn!!!!
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[(6x − 72) : 2 − 84] . 28 = 5628
(6x – 72) : 2 – 84 = 5628 : 28
( 6x – 72) : 2 – 84 = 201
(6x – 72) : 2 = 201 + 84
( 6x – 72) : 2 = 285
6x – 72 = 285.2
6x – 72 = 570
6x = 570 + 72
6x = 642
x = 642 : 6
x = 107
Vậy x = 107
![](https://rs.olm.vn/images/avt/0.png?1311)
![](https://rs.olm.vn/images/avt/0.png?1311)
Bạn viết đề sai rồi nha Đoàn Thị Ngọc Hiền, Tớ sẽ chữa lại đề cho cậu nhé:
\(\left[\left(6x-72\right):2-84\right].28=5628\)
\(\left[\left(6x-72\right):2-84\right]=5628:28\)
\(\left[\left(6x-72\right):2-84\right]=201\)
\(\left(6x-72\right):2-84=201\)
\(\left(6x-72\right):2=201+84\)
\(\left(6x-72\right):2=285\)
\(\left(6x-72\right)=285.2\)
\(\left(6x-72\right)=570\)
\(6x-72=570\)
\(6x=570+72\)
\(6x=642\)
\(x=642:6=107\)
[ ( 6x - 72 ) : 2 - 84 ] 28 = 5628
[ ( 6x - 72 ) : 2 - 84 ] = 5628 : 28
[ ( 6x - 72 ) : 2 - 84 ] = 201
( 6x - 72 ) : 2 = 201 + 84
( 6x - 72 ) : 2 = 285
6x - 72 = 285 x 2
6x - 72 = 570
6x = 570 + 72
6x = 642
x = 642 : 6
x = 107