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

need some help with geo, could you explain how to do it as well so i know next time not needed but helpful

help asap i need help ill give brainlist!!

Ten-year-old jamila has learned to speak formally with the adults in her life and informally with her friends. she has learned the _____ of language.

Why is congress seen as the most powerful branch of government yet the one where the least gets done?

Need help on a question for my correction, if u know it please help!!!

pesticides is it a pure substance or a mixture

The scale of a map is 1 inch = 30 miles. How many actual miles does 5.25 represent?

Use graphing to find the solutions to the system of equations x^2-y=4 2x+y=-1

is this A or C?? Gregor then turned to look out the window at the dull weather. Drops of rain could be heard hitting the pane, which made him feel quite sad. “

What is the z-score of a value that is 0.52 standard deviations less than the mean