100 - 50:(x-4)=75
50:(x-4)= 100 - 75
50:(x-4)=25
x-4= 50:25
x-4=2
x=2+4
x=6
\(100-50:\left(x-4\right)=75\)
\(50:\left(x-4\right)=100-75\)
\(50:\left(x-4\right)=25\)
\(x-4=50:25\)
\(x-4=2\)
\(x=2+4\)
\(x=6\)
100-50:(x-4)=75
50:(x-4)=100-75
50:(x-4)=25
x-4=50:25
x-4=2
x=2+4
x=6