Afla termenul necunoscut:x:2+(105 minus 275:11):4=28

Răspuns :

x:2+(105-275:11):4=28
x:2+(105-25)=4x28
x:2+80=112
x:2=112-80
x:2=32
x=32x2
x=64
x:2+(105-25):4=28
x:2+80:4=28
x:2+20=28
x:2=48
x=48:2<=>24