Hãy nhập câu hỏi của bạn vào đây, nếu là tài khoản VIP, bạn sẽ được ưu tiên trả lời.
`123-5(x+4)=38`
`5x-20=123-38`
`5x-20=85`
`5x=85+20`
`5x=105`
`x=105:5`
`x=21`
123-5.(x+4)=38
5x-20=123-38
5x-20=85
5x=85+20
5x=105
x=105:5
x=21
123 - 5.(x + 4) = 38
=> 5.(x + 4) = 123 - 38
=> 5.(x + 4) = 85
=> x + 4 = 85 : 5
=> x + 4 = 17
=> x = 17 - 4
=> x = 13
=> 5(x + 4) = 123 - 38
=> 5(x + 4) = 85
=> x + 4 = 85:5
=> x + 4 = 17
=> x = 17 - 4
=> x = 13
123 - 5 . ( x + 4 ) = 38
5 . ( x + 4 ) = 123 - 38
5 . ( x + 4 ) = 85
x + 4 = 85 : 5
x + 4 = 17
x = 17 - 4
x = 13
Nhớ tick cho mik nha !!!
123 - 5 . ( x + 4 ) = 38
5 . ( x + 4 ) = 123 - 38
5 . ( x + 4 ) = 85
x + 4 = 85 : 5
x + 4 = 17
x = 17 - 4
x = 13
( 3x - 24 ) . 73 = 2 . 74
( 3x - 16 ) . 343 = 2 . 2401
( 3x - 16 ) . 343 = 4802
3x - 16 = 4802 : 343
3x - 16 = 14
3x = 14 + 16
3x = 30
x = 30 : 3
x = 10
123 - 5( x + 4 ) = 38
=> 5( x + 4 ) = 123 - 38
=> x + 4 = 85 ÷ 5
=> x = 17 - 4
=> x = 13
(3x - 24 ) · 73 = 2·74
=> ( 3x - 16 ) = 2 . 74 ÷ 73
=> 3x - 16 = 14
=> 3x = 16 + 14
=> x = 30 ÷ 3
=> x = 10
a) 123 - 5 (x + 4) = 38
5 (x + 4) = 123 - 38
5 (x + 4) = 85
x + 4 = 85 : 5
x + 4 = 17
x = 17 - 4
x = 13
b) (3x - 24) . 73 = 2 . 74
3x - 24 = 2 . 74 : 73
3x - 24 = 2 . 7
3x - 16 = 14
3x = 14 + 16
3x = 30
x = 30 : 3
x = 10
c) (x : 3 - 4) . 5 = 15
x : 3 - 4 = 15 : 5
x : 3 - 4 = 3
x : 3 = 3 + 4
x : 3 = 7
x = 7 . 3
x = 21
123 - 5(x + 4) = 38
=> 5(x + 4) = 85
=> x + 4 = 17
=> x = 13
vậy_
(3x - 24).73 = 2.7
=> (3x - 24).73 = 14
=> 3x - 24 = 1022
=> 3x = 1046
=> x = 1046/3
a) 123 - 5 . ( x + 4 ) = 38
=> 5 . ( x + 4 ) = 123 - 38
=> 5 . ( x + 4 ) = 85
=> x + 4 = 85 : 5
=> x + 4 = 17
=> x = 17 - 4
=> x = 13
b) ( 3x - 24 ) . 73 = 2. 74
=> ( 3x - 16 ) . 343 = 2 . 2401
=> ( 3x - 16 ) . 343 = 4802
=> 3x - 16 = 4802 : 343
=> 3x - 16 = 14
=> 3x = 14 + 16
=> 3x = 30
=> x = 30 : 3
=> x = 10
=> 3x - 16 =
a) \(123-5\left(x.4\right)=38\)
\(5\left(x.4\right)=123-38\)
\(5\left(x.4\right)=85\)
\(x.4=85:5\)
\(x.4=17\)
\(x=17:4\)
\(\Rightarrow x=4,25\)
a)123-5(x.4)=38
5(x.4)=123-38
5(x.4)=85
x.4=85:5
x.4=17
x=?