tobymax0325 tobymax0325
  • 02-02-2020
  • Mathematics
contestada

Solve the following system of equations: {2x−y=3 7x−2y=3

Respuesta :

Аноним Аноним
  • 02-02-2020

Step-by-step explanation:

hope its helpful.........

Ver imagen Аноним
Answer Link
josshyaby
josshyaby josshyaby
  • 02-02-2020

Answer:

Step-by-step explanation:

2x−y=3..........(1)

7x−2y=3........(2)

Making y as subject in equation (1)

y = 2x - 3

Substituting y into (2)

7x - 2(2x - 3) = 3

Opening bracket

7x - 4x - 6 = 3

3x = 3 + 6

3x = 9

x = 9/3

x = 3

And y = 2x - 3

y = 2(3) - 3

y = 6 - 3

y = 3

Answer Link

Otras preguntas

Who is the author of “To Build a Fire”? Jack London O. Henry Guy de Maupassant W.W. Jacobs
I need help on this question
3. Why is World War I remembered as a total war? (4 points) Every nation on the globe was involved in the conflict. Its battles caused civilian casualties a
These two parallelograms are similar
what is 5/6-8/9 how do you divide this
The standard deviation of a population is known to be 7.8. If The sample size is 85, what is the standard error of the mean? 1) 0.22 2) 0.85 3) 1.047 4) 6.008
Help! Please! Will give brainliest to first to answer! Using the internet, read Lincoln's Second Inaugural Address and write a short report explaining Lincoln's
Some isosceles triangles are equilateral True False
Calculate the acceleration of an airplane that starts at rest and reaches a speed 45m/s in 9 seconds
Which line in this excerpt from “The Raven” alludes to the Garden of Eden? "Prophet!" said I, "thing of evil!—prophet still, if bird or devil!— Whether Tempter