(11-6+x)=108×9=972
(6+x)=972+11=983
x=983-6
x=977
Răspuns:
Salut! :)
108:(11-6+x)=9|:108 (108:9)
=11-6+x=12
=5+x=12
x=12-5
x=7
Sper ca te-am ajutat! :D