97 - (64 - x) = 44
(64 - x) = 97 - 44
64 - x = 53
x = 64 - 53
x = 11
\(97-\left(64-x\right)=44\)
\(64-x=97-44\)
\(64-x=53\)
\(x=64-53\)
\(x=11\)
97-(64-x)=44
64-x=97-44
64-x=53
x=64-53
x=11
vậy x=11
97-(64-x)=44
64-x=97-44
64-x=53
x=64-53
x=11
vậy x=11