jm3708790 jm3708790
  • 02-04-2018
  • Mathematics
contestada

​ 5y−4x=−7 2y+4x=14 ​ x=____ equals y=____ equals

Respuesta :

Аноним Аноним
  • 02-04-2018
2y+4x=14
2(y+2x)=14
y+2x=7
y=7-2x

Bring y into 5y-4x=-7
5(7-2x)-4x=-7
35-10x-4x=-7
14x=42
x=3

Bring x=3 into y=7-2x
y=7-2(3)
y=1

x=3, y=1

Hope this helps.
Answer Link

Otras preguntas

What is the main religion of Latin america
Why did president Washington want the United States to remain neutral
How did Alexander the Great rise to power and how did he spread Greek culture to other lands?
What is a series of events that cells go through as they grow and divide
Newtons third law of motion is also known as the law of ?
What culture believes health is harmony between man and nature?
How did the depression affect women and children?
how might a scientist a determine  whether trait sex-linked by observing the offspring of several genetic crosses
how might a scientist a determine  whether trait sex-linked by observing the offspring of several genetic crosses
A number cube is rolled 24 times and lands on 2 four times and on 6 three time. Find the experimental probability of not landing on a 6