câu 1:23+3x=5mu3=125-23=102:3=34.the la xong.minh lam tat
23 + 3x = 56 : 53
=> 23 + 3x = 53
=> 23 + 3x = 125
=> 3x = 102
=> x = 34
(x - 6)2 = 9
=> x - 6 = 3 hoặc x - 6 = - 3
=> x = 9 hoặc x = 3
vậy_
\(23+3x=5^3\)
\(23+3x=125\)
\(3x=125-23\)
\(3x=102\)
\(x=34\)