sarahlamar382
sarahlamar382
03-12-2014
Mathematics
contestada
3x+4y=2 4x-4y=12 by using elimination
Respuesta :
lakwan007
lakwan007
03-12-2014
(+3x+4y=2)
(+4x-4y=12)
-----------------
7x = 14
-----------------
7
X=2
3(2)+4y=2
6+4y=2
4y=-4
Y=-1.
Or you can plug x into the other equation.
4(2)-4y=12
8-4y=12
-4y=4
Y=-1.
Answer Link
VER TODAS LAS RESPUESTAS ( 94+ )
Otras preguntas
You are asked to find the mean of the data shown in the stem-and-leaf plot. Which tools are appropriate? Choose exactly two answers that are correct. a. protra
What is a society ruled by religous leaders called?
what is 1,995,298 rounded to the nearest 10,000
Does bb guns and pellet guns make kids more violent? If so, why?
During the first two years of World War 1, Russia
How do add pictures on here
Non-intersecting lines that are separated by equal distances at every point can best be described as _____. a. adjacent b. parallel c. skew d. perpendicular
Why is photosynthesis a chemical change?
How did the motives of the virginia colonists differ from those of the separatists who settled in plymouth
What are some of the changes in the way people live in the United States now compared to a hundred years ago
