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 ( 74+ )
Otras preguntas
Which of the following describes a change in energy that occurs as an acorn falls from a tree toward the ground
Paragraph One He drives a racecar 80 miles per hour. He motivates audiences of hundreds. He's earned awards for his performance on and off the racetrack, and he
how did Truman's and Stalin's goals differ at the Potsdam Conference?
Identify each number as prime or composite. Then list all its factors b) 6 is? Its factors are __ ___ ___ ___
please urgent please beg
Can somebody please help me write a narrative writing essay it’s got to be made up it can’t be paraphrased and the prompt is you show up too school and all the
HELP PLSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSS
PLEASE HELP ASAP !!! The model represents mutations in two non-homologous chromosomes. The letters represent genes.what does this model represent? a ) transloc
When the Titans are down at half time Julius gives a speech. He says together the team is ______________?
24. Na or K-Which is bigger in atomic size? The metallic character of an element depend on thesize of atom. Explain.
