18-3.8x=7.36-1.9x

18-3.8x=7.36-1.9x

$$\small{\text{
$
\begin{array}{rcll}
18 - 3.8x &=& 7.36-1.9x \\
7.36-1.9x &=& 18-3.8x & \quad | \quad +3.8x\\
3.8x -1.9x +7.36 &=& 18\\
1.9x +7.36&=& 18 & \quad | \quad -7.36\\
1.9x &=& 18-7.36 \\
1.9x &=& 10.64 & \quad | \quad :1.9\\\\
x &=& \frac{10.64}{1.9}\\\\
x &=& 5.6 \\\\
\end{array}
$ \\
}}$$

$$\boxed{x = 5.6}$$