\(5\left(x-9\right)=350\)
\(\Rightarrow x-9=70\Rightarrow x=79\)
Chúc bạn học tốt!!!
\(5(x-9)=350\)
\(5x-45=350\)
\(5x=395\)
\(x=79\)
\(5\left(x-9\right)=350\)
\(x-9=350:5\)
\(x-9=70\)
\(x=70+9\)
\(x=79\left(TM\right)\)
Vậy \(x=79\)
5.(x-9)=350
5x-45=350
5x = 395
x= 79
Chúc bạn học tốt
\(5.(x-9)=350\)
\(\left(x-9\right)\) \(=\) \(350:5\)
\(x-9\) \(=\) \(70\)
\(x=70+9\)
\(x=79\)