blueroyk9eN7olina blueroyk9eN7olina
  • 25-11-2016
  • Mathematics
contestada

what is the value of y in the solution to the following system of equations ?
5x – 3y = –11
2x – 6y = –14

Respuesta :

MissPhiladelphia
MissPhiladelphia MissPhiladelphia
  • 27-11-2016
We can use substitution method to solve for this system of equations. We calculate as follows:

2x – 6y = –14
-6y = -14 -2x
y = x/3 + 7/3

 
5x – 3y = –11
 5x – 3(x/3 + 7/3) = –11
5x - x + 7 = -11
4x = -11 -7
4x = -18
x = -9/2
y = -9/2(3) + 7/3
y = 5/6
Answer Link

Otras preguntas

3020ML=_____L_______Ml​
How does working capital impact a firm’s value?
Why do you think the Black Death affected more cities near the Mediterranean Sea than near the Black Sea?
twelve divided by 3/5
what is 48,825 divided by 15​
Divide correctly 016 by 8072 by 8​
HELPPP PLEASE ILL GIVE YOU BRAINLIST!!!!!!!
HELP!!! PLEASEEEEEE!!!!! Write in point-slope form an equation of the line that passes through the point (9, 5) with slope 3
how many solutions does the following system of equations have y=2x+2 & 2y=4x+4
Put the following in correct order: 1.Bone is carved back into its original shape by osteoclasts 2.Blood is rushed to the area causing swelling 3.Hematoma is