\(231-2.\left(x-6\right)=1339:13\)
\(231-2x+12=103\)
\(2x+12=128\)
\(2x=116\)
\(x=58\)
Vậy \(x=58\)
231 - 2(x - 6) = 1339 : 13
=> 231 - 2(x - 6) = 103
=> 2(x - 6) = 231 - 103
=> 2(x - 6) = 128
=> x - 6 = 128 : 2
=> x - 6 = 64
=> x = 64 + 6
=> x = 70
231 - 2 ( x - 6 ) = 1339 : 13
231 - 2x + 12 = 103
2x + 12 = 231 - 103
2x + 12 = 128
2x = 128 - 12
2x = 116
x = 116 : 2
x = 58
Vậy x = 58
231 - 2 ( x -6 ) = 1339 : 13
231 - 2 ( x -6 ) = 103
2 (x-6)=231-103
2(x-6)=128
x-6=128:2
x-6=64
x=64+6
x=70
Vậy x=70
231 - 2 ( x -6 ) = 1339 : 13
=> 231 - 2 ( x -6 ) = 103
=> 2 ( x -6 ) = 231 - 103
=> 2 ( x -6 ) = 128
=> x - 6 = 128 : 2
=> x - 6 = 64
=> x = 64 + 6 = 70
Rất vui vì giúp đc bạn <3