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Formula
Solve the equation
Answer
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$y = 3 x - 4$
$y = - 1$
$x$-intercept
$\left ( \dfrac { 4 } { 3 } , 0 \right )$
$y$-intercept
$\left ( 0 , - 4 \right )$
$3x-4 = -1$
$x = 1$
$ $ Solve a solution to $ x$
$3 x \color{#FF6800}{ - } \color{#FF6800}{ 4 } = - 1$
$ $ Move the constant to the right side and change the sign $ $
$3 x = - 1 \color{#FF6800}{ + } \color{#FF6800}{ 4 }$
$3 x = \color{#FF6800}{ - } \color{#FF6800}{ 1 } \color{#FF6800}{ + } \color{#FF6800}{ 4 }$
$ $ Add $ - 1 $ and $ 4$
$3 x = \color{#FF6800}{ 3 }$
$\color{#FF6800}{ 3 } \color{#FF6800}{ x } = \color{#FF6800}{ 3 }$
$ $ Divide both sides by the same number $ $
$\color{#FF6800}{ x } = \color{#FF6800}{ 1 }$
$ $ 그래프 보기 $ $
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