Question

tìm x, biết 8/x-13=3/7

Answer 1

\(\frac{8}{x}=13+\frac{3}{7}=\frac{94}{7}\)\(\Leftrightarrow x=\frac{7x8}{94}=\frac{56}{94}=\frac{28}{47}\)

Answer 2

\(\frac{8}{x}=\frac{3}{7}+13\)

\(\frac{8}{x}=\frac{94}{7}\)

\(x=8:\frac{94}{7}\)

\(x=\frac{28}{47}\)

Answer 3

\(\frac{8}{x}-13=\frac{3}{7}\)

\(\frac{8}{x}=\frac{3}{7}+13\)

\(\frac{8}{x}=\frac{94}{7}\)

\(\Leftrightarrow x=\frac{7x8}{94}=\frac{56}{94}=\frac{28}{47}\)

Answer 4

x=28/47