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a. (6x-39):3=201 \(b,23+3x=5^6:5^3\)
6x-39=201.3 \(23+3x=5^3\)
6x-39=603 \(23+3x=125\)
6x=603+39 \(3x=125-23\)
6x=642 \(3x=102\)
x=642:6 \(x=102:3\)
x=107 \(x=34\)
đúng nha
thanks bn nhìu
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( 6x - 39 ) : 3 = 201
6x - 39 = 603
6x = 642
x = 107
23 + 3x = 56 : 53
23 + 3x = 125
2x = 102
x = 51
![](https://rs.olm.vn/images/avt/0.png?1311)
Ta có: 23 + 3x = 56 : 53
23 + 3x = 5(6-3)
23 + 3x = 53
23 + 3x = 125
3x = 125 – 23
3x = 102
x = 102 : 3
x = 34
![](https://rs.olm.vn/images/avt/0.png?1311)
a, \(\left(6x-39\right):3=201\)
\(\Rightarrow\) \(6x-39=603\)
\(\Rightarrow\) \(6x=642\)
\(\Rightarrow\) \(x=107\)
b, \(23+3x=5^6:5^3\)
\(\Rightarrow\) \(23+3x=5^3\)
\(\Rightarrow\) \(23+3x=125\)
\(\Rightarrow\) \(3x=102\)
\(\Rightarrow\) \(x=34\)
\(a,\left(6x-39\right):3=201\)
\(\Leftrightarrow6x-39=603\)
\(\Leftrightarrow6x=642\)
\(\Leftrightarrow x=107\)
\(b,23+3x=5^6:5^3\)
\(\Leftrightarrow23+3x=125\)
\(\Leftrightarrow3x=102\)
\(\Leftrightarrow x=34\)
Học tốt nhé!
![](https://rs.olm.vn/images/avt/0.png?1311)
(6x-39):3=201
6x-39=201.3
6x-39=603
6x=603+39
6x=642
x=107
23+5x=5^3
23+5x=125
5x=125-23
5x=102
x=102:5
x=20,4
![](https://rs.olm.vn/images/avt/0.png?1311)
Ta có: (6x – 39) : 3 = 201
6x – 39 = 201 . 3
6x – 39 = 603
6x = 603 + 39
6x = 642
x = 642 : 6
x = 107
![](https://rs.olm.vn/images/avt/0.png?1311)
3. ( 3 x - 9 ) = 81
3 x - 9 = 81 : 3
3 x - 9 = 27
3 x = 27 + 9
3 x = 36
x = 36 : 3
x = 12
[( 6 x - 32 ) : 2 + 56 ] . 14 = 2814
( 6 x - 32 ) : 2 + 56 = 2814 : 14
( 6 x - 32 ) : 2 = 201 - 56
6 x - 32 = 145. 2
6 x = 290 + 32
x = 322 : 6
dư nha bạn
![](https://rs.olm.vn/images/avt/0.png?1311)
(6x - 39) : 3 = 201
6x - 39 = 201 x 3
6x - 39 = 603
6x = 603 + 39
6x = 642
x = 642 : 6
x = 107
23 + 3x = 56 : 53
23 + 3x = 56-3
23 + 3x = 125
3x = 125 - 23
3x = 102
x = 102 : 3
x = 34
\(\left(6x-39\right):3=201\Rightarrow6x-39=101.3\Rightarrow6x=303+39\Rightarrow x=342:6=57\)
Vậy x = 57
\(23+3x=5^6:5^3\Rightarrow23+3x=125\Rightarrow3x=125-23\Rightarrow x=102:3\Rightarrow x=34\)
Vậy x = 34
k nhaaa