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 ( 64+ )
Otras preguntas
The net force acting on a 50 kg crate is 0 N. What is the crate's acceleration
mike constructed a closed box that measures 2.5 feet long by 3 feet wide by 1.5 feet high. what is the total area of the material mike needs to construct the bo
Randal answers 96 out of 120 questions correctly on a science exam. What percent of the questions did Randal answer correctly
which of the following organisms feeds on the largest variety of producers
Randal answers 96 out of 120 questions correctly on a science exam. What percent of the questions did Randal answer correctly
at what point do scientists classify an area's weather as its climate? 1 year ,5 years ,15 years or 30 years
what other information do you need to prove triangle GHK is congruent to triangle KLG by SAS
what is 1/9 of 60 equal
true or false a trapezoid is a polygon, so all polygons are trapezoid. explain.
During the evolution of life on Earth, the photosynthetic organisms initially responsible for raising atmospheric oxygen concentrations from less than 1 percent
