$\dfrac { x } { 3 } \color{#FF6800}{ - } \color{#FF6800}{ 0.2 } \left ( \color{#FF6800}{ x } \color{#FF6800}{ + } \color{#FF6800}{ 5 } \right ) \leq 1$
$ $ Multiply each term in parentheses by $ - 0.2$
$\dfrac { x } { 3 } \color{#FF6800}{ - } \color{#FF6800}{ 0.2 } \color{#FF6800}{ x } \color{#FF6800}{ - } \color{#FF6800}{ 0.2 } \color{#FF6800}{ \times } \color{#FF6800}{ 5 } \leq 1$
$\dfrac { x } { 3 } \color{#FF6800}{ - } \color{#FF6800}{ 0.2 } \color{#FF6800}{ x } - 0.2 \times 5 \leq 1$
$ $ Calculate the multiplication expression $ $
$\dfrac { x } { 3 } \color{#FF6800}{ - } \color{#FF6800}{ \dfrac { x } { 5 } } - 0.2 \times 5 \leq 1$
$\dfrac { x } { 3 } - \dfrac { x } { 5 } \color{#FF6800}{ - } \color{#FF6800}{ 0.2 } \color{#FF6800}{ \times } \color{#FF6800}{ 5 } \leq 1$
$ $ Multiply $ - 0.2 $ and $ 5$
$\dfrac { x } { 3 } - \dfrac { x } { 5 } \color{#FF6800}{ - } \color{#FF6800}{ 1 } \leq 1$
$\color{#FF6800}{ \dfrac { x } { 3 } } \color{#FF6800}{ - } \color{#FF6800}{ \dfrac { x } { 5 } } - 1 \leq 1$
$ $ Write all numerators above the least common denominator $ $
$\color{#FF6800}{ \dfrac { 5 x - 3 x } { 15 } } - 1 \leq 1$
$\dfrac { 5 x - 3 x } { 15 } \color{#FF6800}{ - } \color{#FF6800}{ 1 } \leq 1$
$ $ Convert an equation to a fraction using $ a=\dfrac{a}{1}$
$\dfrac { 5 x - 3 x } { 15 } + \color{#FF6800}{ \dfrac { - 1 } { 1 } } \leq 1$
$\color{#FF6800}{ \dfrac { 5 x - 3 x } { 15 } } \color{#FF6800}{ + } \color{#FF6800}{ \dfrac { - 1 } { 1 } } \leq 1$
$ $ Write all numerators above the least common denominator $ $
$\color{#FF6800}{ \dfrac { 5 x - 3 x - 15 } { 15 } } \leq 1$
$\dfrac { \color{#FF6800}{ 5 } \color{#FF6800}{ x } \color{#FF6800}{ - } \color{#FF6800}{ 3 } \color{#FF6800}{ x } - 15 } { 15 } \leq 1$
$ $ Calculate between similar terms $ $
$\dfrac { \color{#FF6800}{ 2 } \color{#FF6800}{ x } - 15 } { 15 } \leq 1$
$\color{#FF6800}{ \dfrac { 2 x - 15 } { 15 } } \leq \color{#FF6800}{ 1 }$
$ $ Multiply both sides by the least common multiple for the denominators to eliminate the fraction $ $
$\color{#FF6800}{ 2 } \color{#FF6800}{ x } \color{#FF6800}{ - } \color{#FF6800}{ 15 } \leq \color{#FF6800}{ 15 }$
$2 x \color{#FF6800}{ - } \color{#FF6800}{ 15 } \leq 15$
$ $ Move the constant to the right side and change the sign $ $
$2 x \leq 15 \color{#FF6800}{ + } \color{#FF6800}{ 15 }$
$2 x \leq \color{#FF6800}{ 15 } \color{#FF6800}{ + } \color{#FF6800}{ 15 }$
$ $ Add $ 15 $ and $ 15$
$2 x \leq \color{#FF6800}{ 30 }$
$\color{#FF6800}{ 2 } \color{#FF6800}{ x } \leq \color{#FF6800}{ 30 }$
$ $ Divide both sides by the same number $ $
$\color{#FF6800}{ x } \leq \color{#FF6800}{ 15 }$