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Formula
Solve the equation
Graph
$y = 5 x - 5$
$y = 2 x + 16$
$x$Intercept
$\left ( 1 , 0 \right )$
$y$Intercept
$\left ( 0 , - 5 \right )$
$x$Intercept
$\left ( - 8 , 0 \right )$
$y$Intercept
$\left ( 0 , 16 \right )$
$5x-5 = 2x+16 =$
$x = 7$
 Solve a solution to $x$
$5 x - 5 = \color{#FF6800}{ 2 } \color{#FF6800}{ x } + 16$
 Move the variable to the left-hand side and change the symbol 
$5 x - 5 \color{#FF6800}{ - } \color{#FF6800}{ 2 } \color{#FF6800}{ x } = 16$
$5 x \color{#FF6800}{ - } \color{#FF6800}{ 5 } - 2 x = 16$
 Move the constant to the right side and change the sign 
$5 x - 2 x = 16 \color{#FF6800}{ + } \color{#FF6800}{ 5 }$
$\color{#FF6800}{ 5 } \color{#FF6800}{ x } \color{#FF6800}{ - } \color{#FF6800}{ 2 } \color{#FF6800}{ x } = 16 + 5$
 Organize the expression 
$\color{#FF6800}{ 3 } \color{#FF6800}{ x } = 16 + 5$
$3 x = \color{#FF6800}{ 16 } \color{#FF6800}{ + } \color{#FF6800}{ 5 }$
 Add $16$ and $5$
$3 x = \color{#FF6800}{ 21 }$
$\color{#FF6800}{ 3 } \color{#FF6800}{ x } = \color{#FF6800}{ 21 }$
 Divide both sides by the same number 
$\color{#FF6800}{ x } = \color{#FF6800}{ 7 }$
 그래프 보기 
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