Crissena Crissena
  • 01-04-2021
  • Mathematics
contestada


Solve for the two variables in the following system of equations. 7x-8y=-12
--4x+2y=3

Respuesta :

Yang100
Yang100 Yang100
  • 03-04-2021

Answer:

x=0, y=3/2. (0, 3/2).

Step-by-step explanation:

7x-8y=-12

-4x+2y=3

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

7x-8y=-12

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

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

7x-8y=-12

-16x+8y=12

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

-9x=0

x=0/-9

x=0

7(0)-8y=-12

0-8y=-12

8y=0-(-12)

8y=0+12

8y=12

y=12/8

simplify

y=3/2

Answer Link

Otras preguntas

Which of the following best illustrates Lincoln's position of "with malice toward none; with charity for all"? Sherman's march to the sea the surrender at Appom
If someone could work out the first half of the problem and explain that would be great!
give two processes witch occur during interphase and witch are necessary for mitosis to take place
Identify for farming methods that result in soil conversation
What is the equation of the line that passes through the point (5,0) and has a slope of 1
Which adjective best completes the sentence? Les yeux de mon ami sont ___________. A. vert B. bleu C. bleus D. gris
6. The oxidation number of Mn in KMnO4 is A) +8. B) +7. C) +5. D) -7. E) -8.
x = 22 + 10x How to find x?
Ralph invested in a mutual fund and at the end of 20 years he has $14,300 in his account. If the mutual fund returned an average yield of 8%, how much did he o
3. Higher taxes tend to