Sorality
Sorality Sorality
  • 01-07-2017
  • Mathematics
contestada

Find the solution of this system of equations

6x = 90 +3y
x - 3y = 50

Show work please

Respuesta :

konrad509
konrad509 konrad509
  • 01-07-2017
[tex]6x = 90 +3y\\ x - 3y = 50\\\\ -6x+3y=-90\\ \underline{x-3y=50}\\ -5x=-40\\ x=8\\\\ 8-3y=50\\ 3y=-42\\ y=-14 [/tex]
Answer Link
fakeclogg fakeclogg
  • 01-07-2017
I did it using elimination method.
Ver imagen fakeclogg
Answer Link

Otras preguntas

Is 0.127 a rational number
How do you work this problem?
Write equation in function form y-3x-11=0
How does the saguaro cactus take advantage of rare, brief rainfall?
which property you used.64+58=                    +64
What is square root of 126 + square root of 56 in standard form
A crime suspect fled the scene when police officers entered the building. How far could he run in 10 minutes if he can run 5 miles per hour?
Who was the so-called new middle-class? What was the role of expertise and organization in this new professionalism?
Write an addition equation with a positive addend and a negative addend and a resulting sum of -8
write the number in two other forms