60+24:(x-1)=28
84 :(x-1) =28
x-1 =84:28
x-1 = 3
x =3+1
x = 4
Vậy x =4
\(60+24:\left(x+1\right)=28.\)
\(24:\left(x+1\right)=28-60\)
\(24:\left(x+1\right)=-32\)
\(24=-32\times\left(x+1\right)\)
\(24=-32x-32\)
\(32x=-32-24\)
\(32x=-56\)
\(x=\frac{-56}{32}\)