katelynmarie3 katelynmarie3
  • 18-01-2018
  • Mathematics
contestada

Solve system of equation by substitution

x-2y=3, 4x-8y=12

Respuesta :

jessicavaldez523
jessicavaldez523 jessicavaldez523
  • 18-01-2018
set a y equation or x equation
x-2y=3
x= 2y+3
plug in the x equation to the other equation
4x-8y=12
4 (2y+3)-8y=12
8y + 12 -8y=12
0=0?? I think this means y=0
plug in the y value to the x equation
x= 2 (0) +3
x= 3
points (3,0)


Answer Link

Otras preguntas

Which of the following points is no coplanar with points A,C, and D
A bike accelerates at 3m/s2. How fast will it be traveling after 8 seconds?
[Hamlet:] . . . who would fardels bear, To grunt and sweat under a weary life, But that the dread of something after death, The undiscover’d country from whose
A pizza shop is purchased for $712,000, and a down payment of 15% of the purchase price is made. Find the down payment A) $605,200 B) $71,200 C) $106,800 D) $
A spaceship moves farther and farther away from Earth. What happens to the gravitational force between the spaceship and Earth? A. It increases. B. It decrea
Which organization was accused of spying on American citizens? Homeland Security Council (HSC) National Security Agency (NSA) Department of National Intelligen
Please help thank you so much
10 Points + Brainliest for the best answer. I would greatly appreciate if someone could answer this, thanks! Have a great day! - wfz
Explain why a sound wave cannot travel in a vacuum?
What is the value of x? Enter your answer in the box. x =