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

need help badly. been stuck on this for 20 mins.
A little kindness can go a long way is all I'm saying. What would it have hurt those girls to include me in their game at recess? Were they afraid I'd follow th
What caused economic depression is in the late 1800s
whats a relation between physics, biology and chemistry? normal answers only
which of the following is the correct way to rewrite the following run-on sentence mike joined the army he became more disciplined during the training.
2/3 of a number is 16. what is 1/5 of that number?
what is the 9th term of the geometric sequence that begins 2,1, ....
what are some white Latin American countries?
Thomas tells you that information sorted from a to z is an example of information sorted in _______ order.
why did the United States send military advisors to Vietnam