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Formula
Solve the equation
Answer
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Graph
$2 x + y = 8$
$x$-intercept
$\left ( 4 , 0 \right )$
$y$-intercept
$\left ( 0 , 8 \right )$
$2x+y = 8$
$x = - \dfrac { 1 } { 2 } y + 4$
$ $ Solve a solution to $ x$
$2 x \color{#FF6800}{ + } \color{#FF6800}{ y } = 8$
$ $ Move the rest of the expression except $ x $ term to the right side and replace the sign $ $
$2 x = 8 \color{#FF6800}{ - } \color{#FF6800}{ y }$
$2 x = \color{#FF6800}{ 8 } \color{#FF6800}{ - } \color{#FF6800}{ y }$
$ $ Organize the expression $ $
$2 x = \color{#FF6800}{ - } \color{#FF6800}{ y } \color{#FF6800}{ + } \color{#FF6800}{ 8 }$
$\color{#FF6800}{ 2 } \color{#FF6800}{ x } = \color{#FF6800}{ - } \color{#FF6800}{ y } \color{#FF6800}{ + } \color{#FF6800}{ 8 }$
$ $ Divide both sides by the same number $ $
$\color{#FF6800}{ x } = \left ( \color{#FF6800}{ - } \color{#FF6800}{ y } \color{#FF6800}{ + } \color{#FF6800}{ 8 } \right ) \color{#FF6800}{ \div } \color{#FF6800}{ 2 }$
$x = \left ( - y + 8 \right ) \color{#FF6800}{ \div } \color{#FF6800}{ 2 }$
$ $ Convert division to multiplication $ $
$x = \left ( - y + 8 \right ) \color{#FF6800}{ \times } \color{#FF6800}{ \dfrac { 1 } { 2 } }$
$x = \left ( \color{#FF6800}{ - } \color{#FF6800}{ y } \color{#FF6800}{ + } \color{#FF6800}{ 8 } \right ) \color{#FF6800}{ \times } \color{#FF6800}{ \dfrac { 1 } { 2 } }$
$ $ Multiply each term in parentheses by $ \dfrac { 1 } { 2 }$
$x = \color{#FF6800}{ - } \color{#FF6800}{ \dfrac { 1 } { 2 } } \color{#FF6800}{ y } \color{#FF6800}{ + } \color{#FF6800}{ 8 } \color{#FF6800}{ \times } \color{#FF6800}{ \dfrac { 1 } { 2 } }$
$x = - \dfrac { 1 } { 2 } y + \color{#FF6800}{ 8 } \color{#FF6800}{ \times } \color{#FF6800}{ \dfrac { 1 } { 2 } }$
$ $ Calculate the product of rational numbers $ $
$x = - \dfrac { 1 } { 2 } y + \color{#FF6800}{ 4 }$
$y = - 2 x + 8$
$ $ Solve a solution to $ y$
$\color{#FF6800}{ 2 } \color{#FF6800}{ x } + y = 8$
$ $ Move the rest of the expression except $ y $ term to the right side and replace the sign $ $
$y = 8 \color{#FF6800}{ - } \left ( \color{#FF6800}{ 2 } \color{#FF6800}{ x } \right )$
$y = \color{#FF6800}{ 8 } \color{#FF6800}{ - } \left ( \color{#FF6800}{ 2 } \color{#FF6800}{ x } \right )$
$ $ Organize the expression $ $
$y = \color{#FF6800}{ - } \color{#FF6800}{ 2 } \color{#FF6800}{ x } \color{#FF6800}{ + } \color{#FF6800}{ 8 }$
$ $ 그래프 보기 $ $
Linear function
Solution search results
search-thumbnail-
$n:$ $30m,7$ Elimination method 

Solve for $xand$ y 
$1$ $2x+y=8$ 
$2x-y=4$
10th-13th grade
Algebra
search-thumbnail-$\left(f\right)$ $4x+y=2$ $3x-2y=7$ 
$\left($ (h) $\right)$ $3x+y=8$ $2x+y=7$
7th-9th grade
Other
search-thumbnail-$1$ Nilai optimum $z=5x+2y$ dari model 
matematika berikut: 
$2x+y=8$ 
$2x+3y=12$ 
$x\geq 0$ 
$y\geq 0$ 
adalah .. ...... .....
10th-13th grade
Other
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