francisbelpereor1mdj francisbelpereor1mdj
  • 22-08-2017
  • Mathematics
contestada

solve the system using substitution 5y-x=-5 7y-x=-23

Respuesta :

sss333111 sss333111
  • 22-08-2017

5y-x= -5      7y-x= -23

x=5y+5

7y-(5y+5)= -23

7y-5y-5= -23

2y= -23+5

2y= -18

y= -9


x= 5y+5

x= (5*-9)+5

x= -45+5

x= -40

Answer Link

Otras preguntas

realize the following operations and express the result in a+bi:[tex](4 + 5i)( - 4 + \sqrt{ - 16} )[/tex]​
What are some benefits of golf ? Use in your own words.​
Please help!!!!!!!!!!
who is the chair of a congressional committee
Can somebody show me how to solve this problem step by step 5x=3x+10
List the two basic rights protected by the Second and third Amendment
Find probability of obtaining 3 heads when flipping 4 coins
A fraction is a division problem in which the numerator is the dividend. What part of a division problem is the denominator
noah eats 1/3 of an apple in 1/6 of a minute. how much time will it take him to eat a full apple? please leave work below!
help please. i really need this answer