keirra123 keirra123

23-08-2016
Mathematics

contestada

5x + 2y =12
- 6x - 2y = - 14

Respuesta :

Kunchan Kunchan

23-08-2016

5x + 2y = 12
-6x - 2y = -14

Add them
-x = -2
x = 2

5x + 2y = 12
(5*2) + 2y = 12
10 + 2y = 12
2y = 2
y = 1

Answer Link

Otras preguntas

Samples from the seafloor around the Mid-Atlantic Ridge and the East Pacific Rise show that both areas have been creating new material in the last five million

Gary experiences unexpected episodes of intense fear, accompanied by shortness of breath and the thought that he might be going crazy. He constantly fears the o

(a) What net external force is exerted on a 1100.0-kg artillery shell fired from a battleship if the shell is accelerated at 2.40 × 10 4 m/s 2 ? (b) What is the

Antigen processing and presentation is a way for viruses to infect cells. is the way foreign cells engulf macrophages. is a way for a cell to give information a

Find the value of b.

During the 1950s, a scientist named Lysenko tried to solve the food shortages in the Soviet Union by breeding wheat that could grow in Siberia. He theorized tha

12. Donna sent her grandson a birthday present. The box weighed 0.875 kilograms and thepresent itself weighed 6,800 grams.a. What was the gross weight of the pa

A sample of nitrogen gas had a volume of 500. mL, a pressure in its closed container of 740 torr, and a temperature of 25 °C. What was the new volume of the ga

A child's arm is burned from accidentally spilling boiling water on it, and the parent calls the clinic. The nearest emergency department is an hour away. Which

A 61 kg skier starts from rest at the top of a 1200 m long trail which drops a total of 227 m from top to bottom. At the bottom, the skier is moving 11 m/s. How