alyssarose88 alyssarose88
  • 22-06-2020
  • Mathematics
contestada

solve the system of equations below. x-2y=3 2x-3y=9

Respuesta :

thetide5
thetide5 thetide5
  • 22-06-2020

Answer: x = 9, y = 3

Step-by-step explanation:

9 - 2(3) = 3

9 - 6 = 3

2(9) - 3(3) = 9

18 - 9 = 9

Answer Link
wegnerkolmp2741o
wegnerkolmp2741o wegnerkolmp2741o
  • 22-06-2020

Answer:

x=9, y= 3

Step-by-step explanation:

x-2y=3

2x-3y=9

Multiply the first equation by -2

-2x +4y = -6

Add this to the second equation

-2x +4y = -6

2x-3y=9

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

   y = 3

Now find x

x -2y =3

x -2(3) = 3

x-6 = 3

Add 6 to each side

x = 9

Answer Link

Otras preguntas

he following saying is an example of a _______ device. Why is this _______ device easy for some people to remember? (Hint: try reading it out loud.) “Thirty
Which is a physical change of iodine?
Why are ancient greek and latin often called dead language?
Joy bought 3/4 of quart of fruit salad and 1/3 of a quart of three bean salad. how much more fruit salad did joy buy?
What greviences against king george iii were included in the declaration of independence
What was william clark tasked with doing??
5(x - 4) = 12 as a mixed number
Which trophic level has the least amount of energy available for the next highest trophic level? a.secondary consumerb.omnivorec.decomposerd.producer
What is 2 49/100 as a decimal number??
What element gains three electrons to fill its valence energy level? s n al c