bewellplus.gsu.edu
tytiannaharris tytiannaharris
  • 17-02-2015
  • Mathematics
Answered

x+4y=8 2x-5y=29

Answer please

Verified Answer :

luana
luana luana
  • 17-02-2015

\(\left \{ {{x+4y=8\ \ | multiply\ by\ -2} \atop {2x-5y=29\ \ \ \ \ \ \ \ \ \ \ \ \ \ }} \right. \\\\ \left \{ {{-2x-8y=-16} \atop {2x-5y=29}} \right. \\+-----\\ add\ both\ equations\\\\ -13y=13\ \ \ | divide\ by \ -13\\\\ y=-1\\\\ x=8-4y=8-4(-1)=8+4=12\\\\ x=12\)

Answer Link

Related Questions

what is sleet and hail made of
during the Great War the Food Administration was headed by A Felix Frankfurter B Bernard Baruch C Herbert Hoover D Samuel Gompers
what is another way to write 9 times 200
coppers mother gives him 79 to the store he buys 15 loaves of bread and 28 cartons of juice each bread is 3 and each juice carton is 4 how much money does he ha
which law legislation protects the individual against human rights violation
come up with a sentence for Perennial Irrigation
Bananas coffee sugarcane and wheat are examples of products brought to Select the best answer from the choices provided Asia from the Americas Africa from the A
Why do scientists make biological collections
plz help me its in a picture thank you
sound waves generated in a classroom must through an open doorway in order to propagate into the hallway reflect refract diffract