\(123-5.\left(x+4\right)=38\)
\(5.\left(x+4\right)=123-38\)
\(5.\left(x+4\right)=85\)
\(x+4=85\div5\)
\(x+4=17\)
\(x=17-4\)
\(x=13\)
Chúc bn hk tốt nhoa :)
123-5.(x+4)=38
5.(x+4)=123-38
5.(x+4)=85
x+4 =85:5
x+4=17
x =17-4
x = 13
123-5.(x+4)=38
5.(x+4)=123-38
5.(x+4)=85
x+4=85:5
x+4 =17
x =17-4
x =13
Chúc bn học tốt