londonwilk8
londonwilk8 londonwilk8
  • 02-04-2020
  • Mathematics
contestada

(7x-y=7
(x+2y=6 estimate the solution to the system of equations ​

Respuesta :

ChengYuInChina
ChengYuInChina ChengYuInChina
  • 16-07-2022

Answer:

x=4/3; y=7/3

Step-by-step explanation:

x+2y=6,

x=6-2y.

7(6-2y)-y=7,

42-14y-y=7,

15y=35,

y=7/3.

x+2y=6,

x+2*7/3=6

x=4/3

∴x=4/3, y=7/3.

Answer Link

Otras preguntas

Find the constant of proportionality (r) in the equation y=rx
What is the minimum of y=1/3 x^2 + 2x + 5
a concrete has a height of 5m and has unit area 3m² supports a mass of 30000kg. Determine the stress, strain and change in height ​
Question 2 of 20 Which accurately describes apartheid? A. It was started by Nelson Mandela. B. It ended due to international pressure. C. It kept the majority w
what determines the rate of materials going into a cell and wastes leaving the cell?
Assuming the required-reserve ratio is 20%, after a $5 billion purchase of securities (government bonds) from the non-bank public by the Fed, if all banks make
which of the following must be true to prove Δ ABC≅Δ DEF by the AAS theorem? A. C∠≅∠F B. ∠B≅∠E C. ∠E≅∠F D.∠B≅∠C
Help Meeeeeeeee. Have a nice day:)
Today, 11:50 Sawing and cutting. Level Arjun cut a loaf of bread and made sandwiches. How many sandwiches did he make if he made 10 cuts?
A three-story building had its lightweight roof uplifted. Hint: low-rise three-story, non-residential, roof uplifted completely, but no damage to walls. a. Dama