\(\frac{2}{7}-x=\frac{-3}{4}\)
\(x=\frac{2}{7}-\frac{-3}{4}\)
\(x=\frac{8}{28}+\frac{21}{28}=\frac{29}{28}\)
vậy \(x=\frac{29}{28}\)
chúc bn học tốt!
= 2/7- -3/4
= 8/28 + 21/28
= 29/28
vậy x =29/28
~Study Well~
tk mk nha
2/7-x=-3/4
x=2/7-(-3/4)
x=2/7+3/4
x=8/28+21/28
X=29/28