mercedesleon02 mercedesleon02
  • 08-03-2019
  • Mathematics
contestada

how can you eliminate this equation

12x+6y=120
4x+y=30

Respuesta :

meredith48034
meredith48034 meredith48034
  • 08-03-2019
12x + 6y = 120
-24x -6y =-180

-12x = -60

x = 5

4(5) + y = 30
20 + y = 30
y = 10

(5, 10)
Answer Link

Otras preguntas

Cómo hacer un comic
In the equation 2C6H14 19O2 = 12CO2 14H2O, what mass of carbon dioxide can be produced from 18.9g C6H14 and excess oxygen
Which of the following did you include? a. Poor fire and police protection b. Unsafe buildings c. No garbage collection d. No running water or sewer systems e.
The use of excessive fertilizer, whether synthetic or organic, can cause which of the following negative environmental impacts? Select all that apply. 1) eutrop
Calcula: b-a -10; -7; a; -1; b; 5 ​
A cook plugs a 500 W crockpot and a 1000 W kettle into a 240 V power supply, all operating on direct current. When we compare the two, we find that:1) Icrockpot
Discuss axial the adaptations of the endoskeleton column.​
Mount Everest reaches a height of 8.844 km above sea level. Radiometric dating of Himalayan rocks suggests the range began uplifting 47 million years ago. Assum
Different dealers may sell the same car for different prices. The sale prices for a particular car are normally distributed with a mean and standard deviation o
In the early stage of food deprivation which of the following nutrients can be used to meet the energy requirements of the nervous system?a. Calciumb. Ironc. Fa