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

a person who studies word origins and meanings would most likely be a
name 2 sound devices and what type they are from the song Where Is The Love by the Black Eyed Peas.
Solve the system of equations.3x+3y+6z=33x+2y+6z=74x+4y+7z=4
A storage tank shaped Like a rectangular prism is being manufactured to hold 100,000 cubic feet of natural gas. It has a length of 10 feet and a width of 25 fee
how do I solve x+2y=8
all fractions between 0 and 1/4
what city is located 60 north 25 east
A construction contractor is purchasing granite tiles for a new kitchen floor. Each tile costs $5 and he wants to spend less than $1,500. The size of each tile
How many eights are there in 6 1/2
Why do Andhra Pradesh donot recive any snow fall during during winter months. PLEASE HELP.....EXAM TOMORROW