kit0058
kit0058
02-03-2017
Mathematics
contestada
solve by elimination
Respuesta :
roseberline
roseberline
02-03-2017
2x - 2y = -4
-3x -3y = 0
_____________________
-1x - 5y = -4
Answer Link
H1a2r3s4h5
H1a2r3s4h5
02-03-2017
2x-2y=-4
Multiply eq.by 3
6x-6y=-12
-3x-3y=0
Multiply eq.by 2
-6x-6y=0
from both new eq.
6x-6y=-12
-6x-6y=0
So adding both eq. We get
-12y=-12
So y=1
From eq.1
2x-2y=-4
2x-2(1)=-4
2x-2=-4
2x=-4+2
2x=-2
x=-1
so x=-1 and y=1
Answer Link
VER TODAS LAS RESPUESTAS ( 49+ )
Otras preguntas
Marketers who want to assess what their customers think about their goods and services can collect data from blogs, social media sites, and online reviews. This
If an employer does not appropriately address a hazard in the workplace, an employee can take action by registering a complaint to which of the following? The C
The spread between the interest rates on Baa corporate bonds and U.S. government bonds is very large during the Great Depression years 1930-1933. Explain this d
can some one please help me please!!!
Brody is doing quite well as the manager of a large electronics store. He writes clear memos to the staff, delegates tasks effectively, and knows how to read ot
In the 1980s movie, Wargames, the computer was taught to play chess, checkers, tic tac toe, and other strategy games. How would you describe the developers’ goa
which of the following is a trinomial with a constant term.a: x+4yb: x^3c: x^4+3y^2+2yd: y^5+13x+12
what is the volume of this?? need help.
I really need help with this math problem!!
Jamie is reviewing a new diet plan that involves purchasing pre-packaged meals and taking a patented energy supplement. In an ad explaining how it works, Jamie