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Formula

Solve the equation

Answer

Graph

$y = 4 x - 3$

$y = 13$

$x$Intercept

$\left ( \dfrac { 3 } { 4 } , 0 \right )$

$y$Intercept

$\left ( 0 , - 3 \right )$

$4x-3 = 13$

$x = 4$

$ $ Solve a solution to $ x$

$4 x \color{#FF6800}{ - } \color{#FF6800}{ 3 } = 13$

$ $ Move the constant to the right side and change the sign $ $

$4 x = 13 \color{#FF6800}{ + } \color{#FF6800}{ 3 }$

$4 x = \color{#FF6800}{ 13 } \color{#FF6800}{ + } \color{#FF6800}{ 3 }$

$ $ Add $ 13 $ and $ 3$

$4 x = \color{#FF6800}{ 16 }$

$\color{#FF6800}{ 4 } \color{#FF6800}{ x } = \color{#FF6800}{ 16 }$

$ $ Divide both sides by the same number $ $

$\color{#FF6800}{ x } = \color{#FF6800}{ 4 }$

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7th-9th grade

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