Add \(7\) to both sides.
\[5x=x+9+7\]
Simplify \(x+9+7\) to \(x+16\).
\[5x=x+16\]
Subtract \(x\) from both sides.
\[5x-x=16\]
Simplify \(5x-x\) to \(4x\).
\[4x=16\]
Divide both sides by \(4\).
\[x=\frac{16}{4}\]
Simplify \(\frac{16}{4}\) to \(4\).
\[x=4\]
x=4