2x - 26 = 3^2 . 2
2x - 26 = 9 . 2
2x = 18 + 26
2x = 44
x = 44 : 2
x = 22
ủng hộ lên 500 điểm nha ae ♥♥♥
\(2x-26=3^2\times2\)
\(\Leftrightarrow2x-26=18\)
\(\Leftrightarrow2x=44\)
\(\Leftrightarrow x=22\)
2x-36=3^2.2
2x-36=9.2
2x-36=18
2x =18+36
2x =54
x =54:2
x =27
=> 2x-26 = 9 x 2 = 18
=> 2x = 18 + 26 = 44
=> x = 44 : 2 = 22
An
2x - 26 =32.2
2x - 26 = 9.2
2x - 26 = 18
2x = 18 + 26
2x = 44
x = 44: 2
x = 22
Vậy x= 22
2x-26 = 3^2 x 2
2x-26 =18
2x=18+26
2x=44
x=44:2
x=22
\(2x-26=3^2.2\)
\(2x-26=18\)
\(2x=18+26=44\)
\(x=44:2=22\)
Vậy x = 22
2x - 26 =32.2
2x - 26 = 9.2
2x - 26 = 18
2x = 18 + 26
2x = 44
x = 44: 2
x = 22
Vậy x= 22
\(2x-26=3^2.2\)
\(2x-26=9.2\)
\(2x-26=18\)
\(2x=44\)
\(x=22\)
vậy \(x=22\)
\(2x-26=3^2.2\)
\(2x-26=9.2\)
\(2x-26=18\)
\(2x=44\)
\(x=22\)
vậy \(x=22\)