mariana4274 mariana4274

02-03-2021
Mathematics

contestada

What is the solution to this system of linear equations?
y - 4x=7
2y + 4x = 2
(3,1)
(1,3)
3.-1)
(-1,3)

Respuesta :

anikakinnear anikakinnear

02-03-2021

[tex]y=7+4x\\2(7+4x) +4x=2\\14+8x+4x=2\\14+12x=2\\12x=-12\\x=-1\\\\y-4(-1)=7\\y+4=7\\y=3[/tex]

(-1,3)

Answer Link

Otras preguntas

What causes the variations in Earth’s surface temperature during the course of a year at a given location? What causes the similar temperature bands that repeat

The Rise, Fall, and Revival of the Balalaika Grade 11, 1280L

Which one of the following variable is not categorical.

If, over a few weeks, Abraham saw 80 mayflies, how many flying insects did he see?

Which function defines (f/g)(x)? f(x)= (3.6)^x+2 g(x)= (3.6)^3x+1

my sister brough two pairs of shoes from Kolkata which is adjective

other worlds unit test unit 4 lesson 9 9a answers

A mover does 422 J of work pushing a crate 8.39 m. How much force did he exert?

70 points. Select the correct answer. Which relation is a function? (Look at the photo) Option D didn’t fit in the photo, so here’s it typed out. x | y 10 15 2

Drag each phrase to indicate whether it shows the impact of aquaponics systems or the impact of conventional farming on the environment.