mariana4274
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 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

Find the missing side round to the nearest tenth can someone please help me this is my last question
How do you write the square root of 3 times the square root of 6 in simplified radical form?
I’m confused on this one
Number 11 and 12 need answers
A loan for $100,000 is fully amortized over 25 years with payments of $772 per month, including interest of 8% per annum. the first month's interest, rounded to
Why did the Mexican people felt driven to rebellion in the early part of the twentieth century. Was the revolution successful?
Jameis works at a cell phone company she wants to make a presentation to her team about the futures of a new phone she made her cell drawing
Given that (-8,-7) is on the graph of f(x), find the corresponding point for the function. f(x-4)
A. Natural rights B. Separation of powers C. Popular sovereignty D. Republicanism
Find the greatest perfect square that is a factor of the number 117