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Formula
Solve the equation
Answer
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Graph
$y = 60 x + 90 \left ( 3 - x \right )$
$y = 200$
$x$-intercept
$\left ( 9 , 0 \right )$
$y$-intercept
$\left ( 0 , 270 \right )$
$60x+90 \left( 3-x \right) = 200$
$x = \dfrac { 7 } { 3 }$
$ $ Solve a solution to $ x$
$60 x + \color{#FF6800}{ 90 } \left ( \color{#FF6800}{ 3 } \color{#FF6800}{ - } \color{#FF6800}{ x } \right ) = 200$
$ $ Multiply each term in parentheses by $ 90$
$60 x + \color{#FF6800}{ 90 } \color{#FF6800}{ \times } \color{#FF6800}{ 3 } \color{#FF6800}{ - } \color{#FF6800}{ 90 } \color{#FF6800}{ x } = 200$
$60 x + \color{#FF6800}{ 90 } \color{#FF6800}{ \times } \color{#FF6800}{ 3 } - 90 x = 200$
$ $ Multiply $ 90 $ and $ 3$
$60 x + \color{#FF6800}{ 270 } - 90 x = 200$
$\color{#FF6800}{ 60 } \color{#FF6800}{ x } + 270 \color{#FF6800}{ - } \color{#FF6800}{ 90 } \color{#FF6800}{ x } = 200$
$ $ Calculate between similar terms $ $
$\color{#FF6800}{ - } \color{#FF6800}{ 30 } \color{#FF6800}{ x } + 270 = 200$
$- 30 x \color{#FF6800}{ + } \color{#FF6800}{ 270 } = 200$
$ $ Move the constant to the right side and change the sign $ $
$- 30 x = 200 \color{#FF6800}{ - } \color{#FF6800}{ 270 }$
$- 30 x = \color{#FF6800}{ 200 } \color{#FF6800}{ - } \color{#FF6800}{ 270 }$
$ $ Subtract $ 270 $ from $ 200$
$- 30 x = \color{#FF6800}{ - } \color{#FF6800}{ 70 }$
$\color{#FF6800}{ - } \color{#FF6800}{ 30 } \color{#FF6800}{ x } = \color{#FF6800}{ - } \color{#FF6800}{ 70 }$
$ $ Change the sign of both sides of the equation $ $
$30 x = 70$
$\color{#FF6800}{ 30 } \color{#FF6800}{ x } = \color{#FF6800}{ 70 }$
$ $ Divide both sides by the same number $ $
$\color{#FF6800}{ x } = \color{#FF6800}{ \dfrac { 7 } { 3 } }$
$ $ 그래프 보기 $ $
Graph
Solution search results
search-thumbnail-If the sum of two consecutive 
numbers is $45$ and one number is $X$ 
.This statement in the form of 
equation $1s:$ 
$\left(1$ Point) $\right)$ 
$○5x+1$ $1eft\left(x+1$ $r1gnt\right)=45s$ 
$○sx+1ef\left(x+2$ $r1gnt\right)=145s$ 
$sx+1x=45s$
7th-9th grade
Algebra
search-thumbnail-$s|ef\left(-1n$ $\left($ }\right)^{50}\ $\right)$ \ | | is\ equal\ to\ $S$ 
$s1S$ 
$S-1S$ 
$s2S$ 
$s50s$
7th-9th grade
Other
search-thumbnail-Given the set of ordered pairs $\left(\left(-7.0\right),\left(-6,5\right),\left(-5,-3\right),\left(-1,2\right)$ $\left(1,6\right),\left(2,-2\right)$ $\left(5,3\right)\left(7,-8\right)\right)$ 
Find f(7)fAleft(7\right) 
O a 
O b -8 
6. 
$5$
7th-9th grade
Algebra
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