\(x=\frac{2}{10}-\frac{1}{2}\)
\(x=-\frac{3}{10}\)
x + 1/2 = 2/10
x = 2/10 - 1/2
x = -3/10
nha bn
chúc bn học giỏi
\(x+\frac{1}{2}=\frac{2}{10}\)
\(x=\frac{2}{10}-\frac{1}{2}\)
\(x=\frac{-3}{10}\)
\(x+\frac{1}{2}=\frac{2}{10}\)
\(x+\frac{1}{2}=\frac{1}{5}\)
\(x=\frac{1}{5}-\frac{1}{2}\)
\(x=-\frac{3}{10}\)