Exercice 1
Isolez l'inconnue $x$ dans les équations suivantes
$$ y = a × x + b$$ $$ y = a × (x + b) $$ $$ y = a /(x + b)$$ $$ y = a × (x + b)^2 $$ $$ y = a /(x + b)^2$$ $$ y × a = b × x$$ $$ y / a = b / x$$ $$ a / y = b / x$$ $$ a / y = b / x + c$$ $$ y = a × √{ b / x} $$
Correction 1
$$ x ={y -b }/a $$ $$ x =y/a -b$$ $$ x =a/y -b$$ $$ x =√{y/a} -b$$ $$ x =√{a/y} -b$$ $$ x = {a × y}/b $$ $$ x = {a × b}/y $$ $$ x = {b × y}/a $$ $$ x = b/{{a/y}-c} $$ $$ x = (a/y)^2 × b $$