Решите уравнение 101-78/(x/2+1)=75
-78/(x/2+1)=75-101 -78/(x/2+1)=-26 -78/(-26)=(x/2+1) 3=(x/2+1) (3=(x/2+1))*2 X+2=6 X=4
101-78/(x/2+1)=75
101-78/(2+1)=75
x=2+1
x=3
x2*3=6
2-x=6
x=4