X + 26 = 100 - 7
X + 26 = 93
X = 93 - 26
X = 67
x+26=100-7
=>x+26=93
=>x =93-26
=>x =70
ủng hộ mk nha các bn
X + 26 = 100 - 7
X + 26 = 93
X = 93 - 26
X = 67
\(x+26=100-7\)
\(x+26=93\)
\(x=93-26\)
\(x=67\)
x + 26 = 100 - 7
x + 26 = 93
x = 93 - 26
x= 67
X + 26 = 100 - 7
X + 26 = 93
X = 93 - 26
X = 67
X + 26 = 100 - 7
X + 26 = 93
X =93 - 26
X =67
Vậy X = 67