   Symbol

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Formula
Solve the equation
Answer   Graph
$y = - 4 x$
$y = - 10 x + 18$
$x$Intercept
$\left ( 0 , 0 \right )$
$y$Intercept
$\left ( 0 , 0 \right )$
$x$Intercept
$\left ( \dfrac { 9 } { 5 } , 0 \right )$
$y$Intercept
$\left ( 0 , 18 \right )$
$-4x = -10x+18$
$x = 3$
 Solve a solution to $x$
$- 4 x = \color{#FF6800}{ - } \color{#FF6800}{ 10 } \color{#FF6800}{ x } + 18$
 Move the variable to the left-hand side and change the symbol 
$- 4 x + 10 x = 18$
$\color{#FF6800}{ - } \color{#FF6800}{ 4 } \color{#FF6800}{ x } \color{#FF6800}{ + } \color{#FF6800}{ 10 } \color{#FF6800}{ x } = 18$
 Organize the expression 
$\color{#FF6800}{ 6 } \color{#FF6800}{ x } = 18$
$\color{#FF6800}{ 6 } \color{#FF6800}{ x } = \color{#FF6800}{ 18 }$
 Divide both sides by the same number 
$\color{#FF6800}{ x } = \color{#FF6800}{ 3 }$
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