1.

3/4x+7/2/5x-4=5/4

Answer»

\(\frac{3}{4x}+\frac{7}{2}\times5x-4=\frac{5}{4}\)

\(\Rightarrow \frac{3}{4x}+\frac{35x}{2}=\frac{5}{4}+4\)

\(\Rightarrow \frac{3\,+\,70x^2}{4x}=\frac{5\,+\,16}{4}\)

\(\Rightarrow \frac{73x^2}{4x}=\frac{21}{4}\)

\(\Rightarrow\) \(73x^{2-1}=21\)

\(\Rightarrow 73x=21\)

\(\Rightarrow x=\frac{21}{73}\)



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