Anonym Anonym
  • 20-12-2014
  • Mathematics
Answered

Solve using elimination method.
2x+3y=7 and 4x+2y =-6
A) one of (32,-19) or (6,-5)
B) one of (0,1) or (2,0)
C) one of (-3,1) or (2,1)
D) one of (4,–1) or (-4,5)

Answer :

konrad509
konrad509 konrad509
  • 20-12-2014
[tex]2x+3y=7|\cdot(-2)\\ 4x+2y=-6\\\\ -4x-6y=-14\\ 4x+2y=-6\\ -------\\ -4y=-20\\ y=5\\\\ 2x+3\cdot5=7\\ 2x+15=7\\ 2x=-8\\ x=-4[/tex]

D
Answer Link

Other Questions

what number is five more than the product of six and seven write an expression
Among members of George Washingtons cabinet had a pessimistic view of human nature and a dread of democratic excess
18 divided by 4 normal answer and simplifed answer
how can the tudor period be considered a turning point in british history
what are the characteristics of the graph of the inequality ygt35x5
What does CPU stand for And it is the of the computer
Which type of faulty logic appears in these sentences Our local library is one of the best libraries in town The staff there is very friendly Adistraction Bad h
Who Was The Abolitionist Captured At Harpers Ferry Virginia
Which explorer established the settlement at Quebec A Jacques Cartier B Francisco Pizarro C John Cabot D Samuel de Champlain
the arnold family arrived at the beach at 1030 am they spent 3 hours therewhat time did they leave the beach