Solve the system of equations 2x-y=1; x+2y=8 graphically and find the coordinates of the points where corresponding lines intersect y-axis.
Symbol
Search
App Store
Google Play
Calculator search results
Solve the equation
Answer
See the solving process
Graph
See details
$y = 4 - 2 x$
$y = 4$
$x$Intercept
$\left ( 2 , 0 \right )$
$y$Intercept
$\left ( 0 , 4 \right )$
$x = 0$
$ $ Solve a solution to $ x$
$\color{#FF6800}{ 4 } \color{#FF6800}{ - } \color{#FF6800}{ 2 } \color{#FF6800}{ x } = 4$
$ $ Organize the expression $ $
$\color{#FF6800}{ - } \color{#FF6800}{ 2 } \color{#FF6800}{ x } \color{#FF6800}{ + } \color{#FF6800}{ 4 } = 4$
$- 2 x \color{#FF6800}{ + } \color{#FF6800}{ 4 } = 4$
$ $ Move the constant to the right side and change the sign $ $
$- 2 x = \color{#FF6800}{ 0 }$
$\color{#FF6800}{ - } \color{#FF6800}{ 2 } \color{#FF6800}{ x } = \color{#FF6800}{ 0 }$
$ $ Change the sign of both sides of the equation $ $
$2 x = 0$
$\color{#FF6800}{ 2 } \color{#FF6800}{ x } = \color{#FF6800}{ 0 }$
$ $ Divide both sides by the same number $ $
$\color{#FF6800}{ x } = \color{#FF6800}{ 0 }$
Solution search results
Open with - Solve each algebraic equation. Then, solve the $sam6$ equation in the form of a proof. $7\right)$ $5\left(x-8\right)-2x=41$ GIVEN: $5\left(x-8\right)-2x=41$ PROVE: $x=27$ STATEMENTS $1$ $s\left(x-8\right)-2x=41$ 1) Given REASONS $2i$ $5x$ $40-2x=41$ 3) 4) $3x$ $40+40=41+40$ 423) ) ) 5) $x=\times 1$ 5) Substitution Property 6) 6) 7) $x=7$ 7) Substitution Property $B2$ 8) $m\right)$ $11x=1\right)1\right)$ Solve $111$ x
7th-9th grade
Geometry
Check solution
$\left(3x+1$ $\right)=2\times \left(x+1r\right)$ $y$ $-$ $3x+15=$ $2x+30$ $a$ $3x-2x=$ $30-1\longdiv{}$ $x$ $2$ $1\sqrt{} \square m$
10th-13th grade
Other
Check solution
thi mch $8\right)-2x|=4x+18$ $①$ $x+2|=2x-10$
7th-9th grade
Other
Check solution
$8.$ $1f32^{x\times 16-2x}=4\times 2-5$ 3x find the value of x.
1st-6th grade
Other
Check solution
$17\right)$ Solve. $4-2x=10$ $A\right)$ $-7$ $B\right)$ $\right)$ $-3$ $0$ $0\right)$ $3$
7th-9th grade
Algebra
Check solution
$x3$ $1$ $11y=1\right)$ $=$ Solve for $2$ if $\sqrt{3-x} +y\bar{42x} $ $\sqrt{33x} $ Ans x= 4
Other
Check solution
Have you found the solution you wanted?
Try again
Try more features at Qanda!
Search by problem image
Ask 1:1 question to TOP class teachers
AI recommend problems and video lecture
App Store
Google Play
© 2021 Mathpresso Inc.
|
CEO Jongheun Lee, Yongjae Lee
|
17th Floor, WeWork Seolleung Station III, 428, Seolleung-ro, Gangnam-gu, Seoul
|
EMAIL support.en@mathpresso.com