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 ( 39+ )
Otras preguntas
1. Describe the sequence of events of the abduction from the Evans’s home. Support your version of events with specific instances of evidence.
the number of atoms in 12.0 grams of C-12 IS
A safe has a 4-digit lock code that does not include zero as a digit and no digit is repeated. What is the probability that the lock code consists of all even d
If you have $.10 on your debit card can you buy a baseball
In Medieval Europe, where were the seats of power?
Anastasia is grocery shopping with her father and wonders how much shopping is left to do. "We already have 60 percent of the items on our list," her father say
Briefly explain how the two wings of the Tauride Palace were utilized by the different and competing political factions in 1917 Russia.
9cm is equal to what in mm
[tex]4x - 7 = 13[/tex]
John receives a 36000 salary for working as an agent. If john spends 50% of his salary on expenses each year, then how much money does john have to spend on exp
