ldelousia
ldelousia ldelousia
  • 01-04-2020
  • Mathematics
contestada

4y - 5x = 9
x = 4y + 11

Respuesta :

ChillMuse
ChillMuse ChillMuse
  • 01-04-2020

4y - 5x = 9

x = 4y + 11

We can substitute this value of x in the first equation:

4y - 5(4y+11) = 9

4y - 20y - 55 = 9

16y = -64

y = -4

x = 4y + 11

x = -16 + 11

x = -5

Answer Link

Otras preguntas

This is not like a question but it has to do with nature .it goes thus: is it just me,like when i text often with a person an then you meet ,it becomes awkward
It's a very well known fact that most dragons do not breathe fire, and it's also well known that alleles that enable
como se dice apagón en cuba, argentina, colombia, chile y venezuela?
what does the executive branch do
What is closest in meaning to "aesthetic" values?
The person, idea, force, or set of circumstances that opposes the central character of a story is the
The resistance of a wire is not dependent on ?
Read the following quotation by Confucius. Then restate the quotation in your own words:¨A journey of a thousand miles begins with a single step¨
Until the death of Muhammad, Islam existed in which region?
to what extent was the temperance movement a success?