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12x + 33 = 32 . 33
12x + 33 = 36
12x = 36 - 33
12x = 3
x = 0,25
12x - 33 = 32 . 33
12x - 33 = 35 = 243
12x = 243 + 33
12x = 276
x = 276 : 12
x = 23
Vậy x = 23
=))
\(12x-33=3^2\cdot3^3\)
\(\Rightarrow12x-33=3^5\)
\(\Rightarrow12x=243+33=276\)
\(\Rightarrow x=23\)
* 10 + 2x = 65 : 63 = 62 = 36
2x = 36 - 10
2x = 26
=> x = 26 : 2 = 13
* 12x - 33 = 32 . 33 = 35 = 243
12x = 243 - 33
12x = 210
=> x = 210 : 12 = 17,5
Học tốt!!!
10 + 2x = 65 : 63 12x - 33 = 32 .33
10+2x = 62 12x- 33= 35
10+2x = 36 12x-33=243
2x = 36-10 12x = 243+33
2x= 26 12x = 276
x=13 x= 23
#Hok tốt~~~
12x - 33=32. 33
=> 12x -33 = 35=243
=>12x=243+33=276
=>x=276: 12
=>x=23
Vậy x= 23
Tìm x:
a, 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
b, 12x - 33 = 32.33
12x - 33 =9 . 27
12x - 33 = 243
12x = 243 + 33
12x = 276
x=276:12
x=23
a, 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
b, 12x - 33 = 32 . 33
12x - 33 = 9 . 27
12x - 33 = 243
12x = 243 + 33
12x = 276
x = 276 : 12
x = 23
96 - 3( x + 1 ) = 42
3( x + 1 ) = 96 - 42
3( x + 1 ) = 54
x + 1 = 54 : 3 = 18
x = 18 - 1
x = 17
cau 1
96-3(x+1)=42
=> 3(x-1)=54
=> x-1=18
=> x=19
cau 2
12x-33=32.33
=> 12x-33=243
=> 12x=276
=> x=23
a ) 5(x + 35 ) = 515
x + 35 = 515 : 5
x + 35 = 103
x = 103 - 35
x = 68
a) x+35=515:5
x+35=103
x= 103-35=68
b) 96-3(x+1)=42
3(x+1)=96-42=54
x+1=54:3=18
x=18-1=17
c) 12x-33=32.33
12x - 33 = 9 . 27
12x - 33=243
12x = 243 +33
12x = 276
x= 276:12
x=23
a) 5 ( x + 35 ) = 515
x + 35 = 103
x = 68
b) 96 - 3(x+1) = 49
3(x+1) = 47
x + 1 = 47/3
x = 44/3
c) 12x - 33 = 3^2 * 3^3
12x - 33 = 243
12x = 276
x = 23
5 ( x + 35 ) = 515
x + 35 = 515 : 5
x + 35 = 103
x = 103 - 35
x = 68
96 - 3( x + 1 ) = 49
3( x + 1 ) = 96 - 49
3( x + 1 ) = 47
x + 1 = 47/3
x = 47/3 - 1
x = 44/3
12x - 33 = 32 . 33
12x - 33 = 35
12x - 33 = 243
12x = 243 + 33
12x = 276
x = 276 : 12
x = 23
12x - 33 = 32 x 33
=> 12x - 33 = 35
=> 12x - 33 = 243
=> 12x = 276
=> x = 23