anlikeraaron5 anlikeraaron5
  • 24-04-2021
  • Mathematics
contestada

-6х-у = -27
18х+Зу=81

Solve the system of equations

Respuesta :

viktoria80
viktoria80 viktoria80
  • 24-04-2021
-6x-y=-27
18x+3y=81

-6x-y=-27
-6x -6x
-y = 27-6x
/-1 /-1
y=-27+6x


18x+3y=81
18x+3(-27+6x)=81
18x+-81+18x=81
+81 +81
36x=162
/36 /36
X=4.5

y=-27+6x
y=-27+6(4.5)
y=-27+27
y=0

(4.5,0)
Answer Link

Otras preguntas

Evaluate 3x/10 if x= 180
what is school based assessment​
The CEO/chairman of PharmaPacifica was recently killed in an airplane crash. This tragedy has thrown PharmaPacifica into turmoil as there is no one in the organ
Help needed!! Don’t know how to do!!
How did scientists respond to Copernicus discovery
Which set of events is listed in chronological order?
Which territory did the Mongol Empire conqueror after Genghis Khan's death​
Alkenes undergo an addition reaction with borane in tetrahydrofuran (THF). For the reaction below: Write a mechanism for the reaction using curved arrows to sho
All of the following are design elements of a landing page that instill trust in site visitors, except Group of answer choices secure payment methods social med
Do you agree that the culture of the indigenous people of South America unique? In what way?