$$\left. \begin{array} { l } { 1 \frac { 1 } { 4 } x + \frac { 3 } { 8 } = 2 } \end{array} \right.$$
$x = \frac{13}{10} = 1\frac{3}{10} = 1.3$
$$2\left(1\times 4+1\right)x+3=16$$
$$2\left(4+1\right)x+3=16$$
$$2\times 5x+3=16$$
$$10x+3=16$$
$$10x=16-3$$
$$10x=13$$
$$x=\frac{13}{10}$$
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