Question

Tìm x :

4/7+x=5/7x1/2

Answer 1

\(\frac{4}{7}+x=\frac{5}{7}\cdot\frac{1}{2}\)

\(\frac{4}{7}+x=\frac{5}{14}\)

\(x=\frac{5}{14}-\frac{4}{7}\)

\(x=\frac{5}{14}-\frac{8}{14}\)

\(x=-\frac{3}{14}\)

Answer 2

4/7+x=5/7.1/2

4/7+x=5/14

x=5/14-4/7

x=-3/14