ju3lia5rcamila ju3lia5rcamila
  • 03-12-2016
  • Mathematics
contestada

Find the solution to the equations.

3x - y = -4
x + y = 0

(0, 0)
(-1, 1)
(1, -1)

Respuesta :

jimthompson5910 jimthompson5910
  • 03-12-2016
Add up the equations to get

3x-y = -4
x+y = 0
------------
4x = -4

Since 4x = -4, this means x = -1 after we divide everything by 4. The only answer choice that has this is (-1,1) which is the final answer
Answer Link

Otras preguntas

Two forms of solid carbon, diamond and graphite, differ in their physical properties due to the differences in their (1) atomic numbers (2) crystal structures (
Name one branch or part of the government.
What does the President’s Cabinet do?
Under our Constitution, some powers belong to the federal government. What is one power of the federal government?
Name one state that borders Mexico.
Which two earth layers are separated by the moho boundary?
Who invented hunting?
What major event happened on September 11, 2001, in the United States?
Which compound is classified as a hydrocarbon? (1) butanal (3) 2-butanol (2) butyne (4) 2-butanone
What is one right or freedom from the First Amendment?*