bekah5332
bekah5332
04-02-2017
Mathematics
contestada
I'm lost.. How do you even start it???
Respuesta :
konrad509
konrad509
04-02-2017
[tex]2x+y=4\\ -x+y=1\\\\ 2x+y=4\\ \underline{x-y=-1}\\ 3x=3\\ x=1\\\\ 1-y=-1\\ y=2 [/tex]
Answer Link
wolf1728
wolf1728
04-02-2017
A) 2x + y = 4
B) -x + y = 1
Multiply B) by 2
B) -2x + 2y = 2 then add to A)
A) 2x + y = 4
3 y = 6
y = 2
B) -x + y = 1
-x +2 =1
x = 1
Answer Link
VER TODAS LAS RESPUESTAS ( 64+ )
Otras preguntas
7- She................(just), she will speak to you in a minute. has just come have just come will just come a) b)
If n/12 = 15/36 , then n= ___. pls help me!
under which circumstances do plants take up water by osmosis?
what is the approximate radius of the bowl shown that is shaped as a hemisphere
You decide to take your car on a drive through Canada, where gas is sold in liters and distances are measured in kilometers. Suppose your car's gas efficiency i
please help me OMggggGI need answers rnn before Tuesday
what role did South African woman play against the violation of human rights from the 1950'' to 1960's.
Which of these is a type of array . ( library , file , index , tulle )?
What type of chart is used to help organize study and predict genetic inheritance? (16.5 Points) Punnett square flow chart graph diagram
A turbo molecular pump has rapidly rotating blades which hit the molecules of gas in the coating chamber. This collision transfers some momentum to the particle