\( \definecolor{colordef}{RGB}{249,49,84} \definecolor{colorprop}{RGB}{18,102,241} \)
Pour cette relation :
\(\textcolor{colordef}{x}\) \(1\) \(2\) \(3\) \(4\) \(5\) \(6\)
\(\textcolor{colorprop}{y}\) \(4\) \(5\) \(6\) \(7\) \(8\) \(9\)
Trouve la valeur de \(\textcolor{colordef}{x}\) lorsque \(\textcolor{colorprop}{y}=8\).
\(\textcolor{colordef}{x}=\)