Question

2/7 - x = -3/4 cho minh xin cach lam nhe

Answer 1

\(\frac{2}{7}-x=\frac{-3}{4}\)

\(x=\frac{2}{7}+\frac{3}{4}\)

\(x=\frac{29}{28}\)

Answer 2

\(\frac{2}{7}-x=\frac{-3}{4}\)

            \(x=\frac{2}{7}-\frac{-3}{4}\)

            \(x=\frac{8}{28}+\frac{21}{28}=\frac{29}{28}\)

vậy \(x=\frac{29}{28}\)

chúc bn học tốt!

Answer 3

Trả lời

2/7-x=-3/4

<=>x =2/7-(-3/4)

<=>x =8/28+21/28

<=>x =29/28

<=>x =1 1/28