zslz zslz
  • 02-09-2020
  • Mathematics
contestada

2x – 4y = 24
x + 3y = 7
Solve by elimination

Respuesta :

movando movando
  • 02-09-2020
2x-4y=24
X+3y=7 (-2)


2x-4y=24
-2x-6y=-14
——————-
0 -10y=10
Y=-1

Reemplazar y en la ecuación
2x-4(-1)=24
2x+4=24
2X=20
X=10

Y=-1, X= 10
Hope this helps
Answer Link

Otras preguntas

The arrival of animals such as cattle _____ the survival of native western plants and animals Answer choices - A helped B Harmed C had no effect on
Can someone please help me understand these problems?
Based on the family the graph below belongs to, which equation could represent the graph? y=0.6^x- 2 y = 0.6x^2-1 y=-0.6x^3- 1 V = log(x)-2
Mr. Niles used 5/12 of a carton of eggs to make breakfast Saturday. He used 2/12 of the carton on Sunday. How many more eggs did he use on Saturday?A. 7 eggsB.
the meanings of "h" and "k" in vertex form.
Why is Hinduism different than other major religions
I need help asa :)$:):)
What does tutu see as the most important element in South Africa
Find the balance of an account after 7 years if $1,500 is placed into an an account paying 1.2% interest compounded monthly. (Round to the nearest cent) OA) $1,
In "By the Waters of Babylon,” what conflicts does the setting present for the main character?