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

Is expelled a transitive or intransitive verb?​
The development of alternative music is pedominantly an example of which trend? social, artistic, technological ​
help me yall!!......​
which part of an ecosystem would be hurt if humans over hunted
NEED HELP Look at the picture for the question
What was a common consequence of Sir Edwin Sandys system indentured servitude. A. Good working conditions. B. Prison for runaway servants. C. Too many peo
Describe Tom's success after his deal with the Devil. In Tom Walker and the Devil
Which statement Best describes the benefit of creating a personal budget
Define “Law of Conservation of Energy”
The hierarchy above represents the governmental structure of __________. A. Bahrain B. Iran C. Israel D. Saudi Arabia