\(\frac{3}{4}:x=\frac{1}{2}-\frac{4}{5}\)
ĐẾN ĐÂY LÀ SAI ĐỀ RÔI
\(\frac{4}{5}+\frac{3}{4}:x=\frac{1}{2}\)
\(\frac{3}{4}:x=\frac{1}{2}-\frac{4}{5}=-\frac{3}{10}\)
\(x=\frac{3}{4}:\frac{-3}{10}=-\frac{5}{2}\)
3/4 : x = 1/2 - 4/5
3/4 : x = -3/10
x = 3/4 : -3/10
x = -5/2
3/4 : x = 1/2 - 4/5
3/4 : x = -3/10
x = 3/4 : -3/10
x = \(-\frac{5}{2}\)