Question

\(\frac{5}{4}=\frac{4}{2x+3}\)

Tìm x

Answer 1

\(\frac{5}{4}=\frac{4}{2x+3}\)

\(\Rightarrow5\left(2x+3\right)=16\)

\(\Rightarrow10x+15=16\)

\(\Rightarrow10x=1\)

\(\Rightarrow x=\frac{1}{10}\)

Answer 2

\(\frac{5}{4}=\frac{4}{2x+3}\)

\(\Rightarrow5.\left(2x+3\right)=16\)

\(\Rightarrow10x+15=16\)

\(\Rightarrow10x=1\)

\(\Rightarrow x=\frac{1}{10}\)

Vậy \(x=\frac{1}{10}\)