wenn (-50) = (+2) dann ist (-40) = (+

wenn  (-50)  =>   (+2)

dann  (-40)  =>        x          =  (+1,6)    

$${\mathtt{x}} = {\frac{\left(-{\mathtt{40}}\right){\mathtt{\,\times\,}}{\mathtt{2}}}{\left(-{\mathtt{50}}\right)}} = {\mathtt{1.6}}$$           

Gruß radix !