Nodia
Nodia
02-02-2015
Mathematics
contestada
2x -y=-1
3x-2y=1
elimination somebody do this for me
Respuesta :
Pandagirl
Pandagirl
02-02-2015
-2(2x-y)=-1
3x-2y=1
-4x+2y=2
3x-2y=1
-x=3 (x=-3)
(-3,__)
2(-3)-y=-1
-6-y=-1
-y=-1+6
-y=5
y=-5
so..(-3,-5)
Answer Link
logo88
logo88
02-02-2015
2x-y=-1 (1)
3x-2y=1 (2)
(1) * 2--> 4x-2y=-2 (3)
(3) - (2)
x= -3
sub x= -3 into (1)
2(-3)-y=-1
-6-y=-1
-y=5
y= -5
Answer Link
VER TODAS LAS RESPUESTAS ( 38+ )
Otras preguntas
When all parts of a circuit are composed of conducting materials, the circuit is said to be a. closed. b. open. c. parallel. d. shorted.
In which Supreme Court case did this provision of the Northwest Ordinance play an important part? (1) McCulloch v. Maryland (1819) (2) Worcester v. Georgia (183
Who is the prime minister of england
Objects fall at constant velocity
21 Given the balanced equation representing a reaction:O2 --> O + O What occurs during this reaction? (1) Energy is absorbed as bonds are broken. (2) Energy
Which branch of the government has the largest bureaucracy? a. Judicial b. Legislative c. States d. Executive
… Monsoons are relied upon throughout the country to provide water for growing crops. Heavy monsoons, however, can bring floods that often have a high death tol
What is the name given to cell division in prokaryotes? A. division B. replication C. binary fission D. mitosis and cytokinesis
What data could most likely be accurately replicated by other scientists? A) Determining the health of a mouse based on it appearance B) Determining the distanc
how is cooking like science
