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 were the cases of Cherokee Nation v. Georgia and Worchester v. Georgia (tell what happened in each case)? How do the cases relate to what is happening now?
a(a+5) expand and simplify
Read the short story and answer the question based on the story. Respond with a complete Spanish sentence. Mi casa es muy grande y bonita. Hay dos cuartos muy
How can a jet create a sonic boom?
Indicate the equation of the line through (2, -4) and having slope of 3/5.
14. What happened as a result of the so-called Intolerable Acts?
Al-Qaeda was originally formed to help which group fight against Soviet invaders in Afghanistan? A. Mujahideen B. Revolutionary Guard C. Viet Cong D. Los Barbu
I need help on those question in own words or rephrase
Three forces of magnitudes f1=4.0n, f2=6.0n, and f3=8.0n are applied to a block of mass m=2.0kg, initially at rest, at angles shown on the diagram. (figure 1) i
If a company has 150 shares of common stock and $15000.00 to be distributed to its holders, how much each share receive