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 ( 43+ )
Otras preguntas
Kyah and jasmine are running in a long distance race. They are running around a track that is 1/5 of a km long. Kyah can run 6 laps in 10 min and Jasmine can ru
The Statue of liberty, also known as the "modern colossus," is the echo of another statue, the original colossus that stood over two thousand years ago at the e
what is the simplified form of x + 5 ÷ 3x + 4 + x + 4 ÷ x + 3 ?
Please help 100 points if correct answer! How can you determine if an exponential equation represents exponential decay A. The initial value is negative B. T
If you add 6 1/3 and 2 3/8 and then subtract your answer from 2 1/4 what would you do
Who was the king of England during the colonial years of protest? A) George III B) Charles II C) James I D) George II
How would you describe life in West Africa?
how would a 3D imaging help ocean study?
What are the correct answers and why? Simple and concise explanation please!!!
Can you guys Pls Pls Pls help me answer these. I left my textbook at school and this is due tomorrow.
