41846:(x-384)=98
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![](https://rs.olm.vn/images/avt/0.png?1311)
a)
75 X(x+157)=24450
x+157 =24450:157
x+157 =326
x =326-7
x =319
b)41846: (x-384)=98
x-384 =41846:98
x-384 =427
x =427+384
x =811
x-384 =
a) 75 x ( X + 157 ) = 24450
X + 157 = 24450 : 75
X + 157 = 326
X = 326 - 157
X = 169
Vậy X = 169
b) 41846 : ( X - 384 ) = 98
X - 384 = 41846 : 98
X - 384 = 427
X = 427 + 384
X = 811
Vậy X = 811
![](https://rs.olm.vn/images/avt/0.png?1311)
75 x (x + 157) = 24450
x + 157 = 24450 : 75
x = 326 - 157
x = 169
14700 : (x + 47) = 84
x + 47 = 14700 : 84
x = 175 - 47
x = 128
69 x (x - 157) = 18837
x - 157 = 18837 : 69
x = 273 + 157
x = 430
41846 : (x - 384) = 98
x - 384 = 41846 : 98
x = 427 + 384
x = 811
7649 + X x 54 = 33137
X x 54 = 33137 - 7649
x = 25488 : 54
x = 472
35320 - X x 72 = 13072
X x 72 = 35320 - 13072
x = 22248 : 72
x = 309
4057 + (x : 38) = 20395
x : 38 = 20395 - 4057
x = 16338 x 38
x = 620844
21683 - (x : 47) = 4857
x : 47 = 21683 - 4857
x = 16826 x 47
x = 790822
![](https://rs.olm.vn/images/avt/0.png?1311)
41846:(x-384)=98
=> x-384=41846:98
=>x-384=427
=>x=427+384
=>x=811
Vậy x=811
Phải làm như thế mới đúng
![](https://rs.olm.vn/images/avt/0.png?1311)
1. \(x-8+32=68\)
\(x-8=68-32\)
\(x-8=36\)
\(x=36+8\)
\(x=44\)
_____
2. \(x+8+32=68\)
\(x+8=68-32\)
\(x+8=36\)
\(x=36-8\)
\(x=28\)
_____
3. \(98-x+34=43\)
\(98-x=43-34\)
\(98-x=9\)
\(x=98-9\)
\(x=89\)
_____
4. \(98+x-34=43\)
\(98+x=43+34\)
\(98+x=77\)
\(x=77-98\)
\(x=-21\)
_____
5. \(x:5:4=800\)
\(x:5=800.4\)
\(x:5=3200\)
\(x=3200.5\)
\(x=16000\)
_____
6. \(18+x=384:8\)
\(18+x=48\)
\(x=48-18\)
\(x=30\)
_____
7. \(\left(84,6-2\times x\right):3,02=5,1\)
\(84,6-2.x=5,1.3,02\)
\(84,6-2.x=15,402\)
\(2.x=84,6-15,402\)
\(2.x=69,198\)
\(x=69,198:2\)
\(x=34,599\)
_____
8. \(x\times5=120:6\)
\(x.5=20\)
\(x=20:5\)
\(x=4\)
_____
9. \(\left(15\times24-x\right):0,25=100:0,25\)
\(\left(15.24-x\right):0,25=400\)
\(15.24-x=400.0,25\)
\(15.24-x=100\)
\(360-x=100\)
\(x=360-100\)
\(x=260\)
1,x-8+32=68
=>x-8=68-32=36
=>x=36+8=42
2,x+8+32=68
=>x+8=68-32=36
=>x=36-8=28
3,98-x+34=43
=>98-x=43-34=9
=>x=98-9=89
4,98+x-34=43
=>98+x=43+34=77
=>x=77-98=-21
5,x:5:4=800
=>x:20=800
=>x=800x20=16000
6,18+x=384:8=48
=>x=48-18=30
7,(84,6-2x):3,02=5,1
=>84,6-2x=5,1x3,02=15,402
=>2x=84,6-15,402=69,198
=>x=69,198:2=34,599
8,5x=120:6=20
=>x=20:5=4
9,(15x24-x):0,25=100:0,25=400
=>360-x=400x0,25=100
=>x=360-100=260.
![](https://rs.olm.vn/images/avt/0.png?1311)
\(\left[43-\left(56-x\right)\right]\times12=384\)
\(43-\left(56-x\right)=384:12\)
\(43-\left(56-x\right)=32\)
\(56-x=43-32\)
\(56-x=11\)
\(x=56-11\)
\(x=45\)
![](https://rs.olm.vn/images/avt/0.png?1311)
![](https://rs.olm.vn/images/avt/0.png?1311)
\(4^n\times2^3=384\\ \Leftrightarrow4^n=384:2^3\\ \Leftrightarrow4^n=48\)
Bạn kiểm tra lại đề nha.
41846:(x-384)=98
(x-384)=41846:98
x-384= 427
x = 427 + 384
x = 811
41 846 : (x - 384 ) = 98
=> x - 384 = 427
=> x = 811