Question

Va roog frumos, va ofer 10 puncte​

Answer 1

$\it \dfrac{2x}{9} =\dfrac{8}{x} \Rightarrow 2x\cdot x=9\cdot8|_{:2} \Rightarrow x\cdot x=9\cdot4 \Rightarrow\\ \\ \Rightarrow x\cdot x=36 \Rightarrow x=6$

Answer 2

2x/9 = 8/x

` inmultim pe diagonala `

2x×x=9×8

2x×x=72/:2

x×x=36

x^2=36

x=6