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ghi lại đề:
12.x - 33 = 32 . 33
=> 12.x - 33 = 243
=> 12x = 243 + 33
12x = 276
=> x = 276 : 12
x = 23
chúc bạn học tốt!! ^^
ok mk nhé!!! 356535645746857579763563653645645654645657657657858753453465465756765
12x - 33 = 32.33
12x - 33 = 35
12x - 33 = 243
12x = 243+33
12x = 276
x= 276:12
x = 23
vậy x = 23
![](https://rs.olm.vn/images/avt/0.png?1311)
7272 : ( 12 x - 91 ) = 2 mũ 3 . 3 mũ 2
=7272 : 72 = 12x - 91
=101+91:12
=16
7272:(12.x - 91)=23.32
\(\Rightarrow\)7272:(12.x - 91)=72
12.x-91=7272:72
12.x-91=101
12.x=101+91
12.x=192
x=192:12
x=16
Vậy x=16
![](https://rs.olm.vn/images/avt/0.png?1311)
12x-33=32.33
12x-33=32+3
12x-33=35
12x-33=243
12x=243+33
12x=276
x=276:12
x=23
tk nhé
12x - 33 = 3^2 x 3^3
12x - 33 = 3^2+3
12x - 33 = 3^5
12x - 33 = 243
12x = 243 + 33
12x = 276
x = 276 : 12
x = 23
![](https://rs.olm.vn/images/avt/0.png?1311)
12x - 10x + 54 = 86
\(\Rightarrow\)12x - 10x = 86 - 54
\(\Rightarrow\)2x = 32
\(\Rightarrow\)x = 32 : 2
\(\Rightarrow\) x= 16
12x-10x+54=86
=(12-10)x+54=86
(12-10)x =32
2x =32
x =32chia2
x =16
![](https://rs.olm.vn/images/avt/0.png?1311)
Trả lời
96-3.(x+1)=42
3.(x+1)=96-42
3.(x+1)=54
x+1 =54:3
x+1 =18
x =18-1
x =17
12x-33=32.33
12x-33=35
12x =243+33
12x =276
x =276:12
x =23.
Rất vui khi được giúp bạn !
96-3.(x+1)=42
3.(x+1)=96-42
3.(x+1)=54
x+1=54:3
x+1=18
x =18-1
x =17
12x-33=32.33
12x-33=243
12x =243+33
12x =276
x =276:12
x=23
![](https://rs.olm.vn/images/avt/0.png?1311)
\(96-3\times\left(x+1\right)=\)\(42\)
\(\Rightarrow3\times\left(x+1\right)=96-42=54\)
\(\Rightarrow x+1=54:3=18\)
\(\Rightarrow x=18-1=17\)
\(12x-33=3^2\times3^3\)
\(\Rightarrow12x-33=3^5=243\)
\(\Rightarrow12x=243+33=276\)
\(\Rightarrow x=276:12=23\)