Formula

Solve the equation

Answer

Graph

$y = 2 x + 5$

$y = 9$

$x$-intercept

$\left ( - \dfrac { 5 } { 2 } , 0 \right )$

$y$-intercept

$\left ( 0 , 5 \right )$

$2x+5 = 9$

$x = 2$

$ $ Solve a solution to $ x$

$2 x \color{#FF6800}{ + } \color{#FF6800}{ 5 } = 9$

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

$2 x = 9 \color{#FF6800}{ - } \color{#FF6800}{ 5 }$

$2 x = \color{#FF6800}{ 9 } \color{#FF6800}{ - } \color{#FF6800}{ 5 }$

$ $ Subtract $ 5 $ from $ 9$

$2 x = \color{#FF6800}{ 4 }$

$\color{#FF6800}{ 2 } \color{#FF6800}{ x } = \color{#FF6800}{ 4 }$

$ $ Divide both sides by the same number $ $

$\color{#FF6800}{ x } = \color{#FF6800}{ 2 }$

$ $ 그래프 보기 $ $

Graph

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