Tali1982 Tali1982
  • 01-04-2021
  • Mathematics
contestada

solve the system of equations -8x+7y=6 and 3x-2y=4 by combining the equations

Respuesta :

Yang100
Yang100 Yang100
  • 03-04-2021

Answer:

x=8, y=10. (8, 10).

Step-by-step explanation:

-8x+7y=6

3x-2y=4

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

2(-8x+7y)=2(6)

7(3x-2y)=7(4)

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

-16x+14y=12

21x-14y=28

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

5x=40

x=40/5

x=8

3(8)-2y=4

24-2y=4

2y=24-4

2y=20

y=20/2

y=10

Answer Link

Otras preguntas

What is one reason cultures develop unique characteristics
What does Mami mean by "clean" in this poem?
An airplane traveled 5.7 x 10 to the 2nd miles per hour for 1.4 x 10 to the 1st power hours. How far did the airplane travel
One major choice an author of fiction makes is to decide the _________________ from which the story is told. A) time of day B) point of view C) first name of th
In certain conditions, hydrogen gas produces the emission spectra shown below. What causes the bright lines seen in the spectra?
what part of a spermatozoon contains the nuclear material?
What is the approximate area of the shaded sector in the circle shown below?
At what stage does an advertiser decide how the message and appeal of an ad can be creatively translated into words, pictures, colors, and/or music
To be a great writer what must you also be? Why?
explain how financial strain was burdensome to family life