lunajacob647 lunajacob647
  • 23-03-2017
  • Mathematics
contestada

8x + 13y = 2
y = x- 2
Solve the system of equations

(4/3, -2/3)
(4/21, -38/21)
no solution

Respuesta :

haiqakhattak72
haiqakhattak72 haiqakhattak72
  • 23-03-2017
eliminationg these equations gives zero ,no solution
Answer Link
addiplays
addiplays addiplays
  • 10-11-2020

Answer:

A) (4/3, -2/3)

Step-by-step explanation:

8x + 13y = 2

y = x- 2

8x+13 (x-2) =2

distribute:

8x+13x-26=2

21x-26=2

21x-26+26=2+26

21x=28

21x/21=28/21

28/21 simplified by 7 is 4/3

now lets find y

y=x-2

we know that x is 4/3

y=4/3-2

y=-2/3

so the answer is (4/3,-2/3)

Answer Link

Otras preguntas

When the Black Death spread through Europe, its cause was not understood, so A. doctors became frustrated and gave up looking for the cause. B.governments wo
Someone please explain this to me
Which of the following is a direct result of global warming that is causing endangerment of polar bears? increased drought causing wildfires increased risk of t
Except for 2 and 3 every prime number on a hundred chart is either one more or one less than a multiple of
Is 0.398 a whole number, interger, rational number, irrational number, or a real number
Irene has a checking account. On Monday she writes a $160 check for groceries. Then she deposits $125 into her account. Finally, she writes another check for $4
3 times the sum of x and y squared plus 5 times the difference of 2x and y
Which action by Andrew Johnson ultimately led to his impeachment
When justice lewis Powell stated that racial and ethnic distinctions require
50 centimeters = how many meters