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
VER TODAS LAS RESPUESTAS ( 31+ )
Otras preguntas
What is 2/3 of a share of $24 390
Read this line from the text: What have I, or those I represent, to do with your national independence? What does Douglass mean by the question in bold? He does
Debbie is planning a road trip that is 250 km long . How many hours will it take her if she drives at an average speed of 104 km/h (about 65 mph)?
57.4 divided by 10???????
A8 x 3B = 2730 What number is A and B? You don't have to explainPlease answer soon
Ammar hikes 2 3/4 miles of nature trail in 1 hour and 15 minutes.How many miles of trail does Ammar hike per hour?
how do i solve 7x-y=21
the perimeter of the top of a desk is 54 inches . if the length of the desk is 15 . what is the is the width of the desk
What is 10/9 closest to 0,1/2, or 1 and why
Can someone pretty please help me? The problem: Write about a real-world situation that can be solved using a two-step equation.
