Răspuns :
hello! :)
stim ca:
(4x+5)+ (4x+5)+ 85+ 85= 360 grade
(4x+5)+ (4x+5)+ 85= 275 (am scazut 85)
(4x+5)+(4x+5)= 190
8x+10=190
8x= 180
x= 22,5
stim ca:
(4x+5)+ (4x+5)+ 85+ 85= 360 grade
(4x+5)+ (4x+5)+ 85= 275 (am scazut 85)
(4x+5)+(4x+5)= 190
8x+10=190
8x= 180
x= 22,5