hiamerica31 hiamerica31
  • 03-08-2021
  • Mathematics
contestada

Solve the following system

3x+y=9
4x-3y=6

Respuesta :

Аноним Аноним
  • 03-08-2021

Answer:

multiply the first equation with 3, then add the two equations, you'll get the value of x, by putting the value of x in any of the two equations, find y, answer should be this,

x = 33/13,

y = 18/13

Answer Link
ridmitharuka
ridmitharuka ridmitharuka
  • 03-08-2021

Answer:

Step-by-step explanation:

3x+y=9

     y=9-3x

4x-3y=6

     4x-6=3y

      y=(4x-6)/3

       y= 4/3x-2

9-3x=4/3x-2

9+2=4/3x+3x

11=13/3x

x=11*3/13

 =2.53

y=9-3*2.53

  =1.41

Answer Link

Otras preguntas

In the library there are 200 books. 58 of them are non-fiction. What percentage of the books are non-fiction?
A certain test is worth 155 points. How many points (rounded to the nearest point) are needed to obtain a score of 65%?
why is red onions purple
NaOH  + H2SO4 =NaOH + HNO3  =Cu(OH)2 + HCl =                H2SO4 =                        HNO3 =
In the library there are 200 books. 58 of them are non-fiction. What percentage of the books are non-fiction?
a piece of wood is 180cm long, Tom cuts it into three pieces in the ratio 2:3:4 Work out the length of the longest piece
An oscillator makes four vibrations in one second. What is its period and frequency?
what percentage of 1457 is 898?
How is carbon dioxide obtained?
If the function h(x) represents the number of full hours that it takes a person to assemble x sets of tires in a factory, which would be an appropriate domain f