anjithaa23
anjithaa23 anjithaa23
  • 04-12-2019
  • Mathematics
contestada

How to substitute for -5x+3y=51 and y=10x-8

Respuesta :

Yang100
Yang100 Yang100
  • 04-12-2019

Answer:

x=3, y=22. (3, 22).

Step-by-step explanation:

-5x+3y=51

y=10x-8

----------------

-5x+3(10x-8)=51

-5x+30x-24=51

25x-24=51

25x=51+24

25x=75

x=75/25

x=3

y=10(3)-8

y=30-8

y=22

Answer Link

Otras preguntas

??????????????????????
What is the slope of the line that passes through the points (1, 1 and (–1, –5?
Need help with questions 1 and 2.DO NOT ANSWER IF U ARE UNSURE!
Which of the following would not represent the phrase “the difference of two numbers divided by 5”?
When did exactly Germany enter World War 2?
Which piece of sculpted roman glass was named after one of its owners, margaret bentinck, an english duchess?
What four groups does houston say are excluded from social security??
How does the addition of heat affect the ability of an enzyme to help the sugar molecules form a bond?A. Heat allows the sugar molecules to bond more quickly.B.
What do you mean by Latent heat of evaporation! (not vaporisation/fusion) Kindly tell from Science NCERT class 9. (Indian NCERT)!
3x - 2y = 10 5x + y = 4 When solving this system of equations by elimination, which could be the resulting equation when a variable has been eliminated? A) 13