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

Organisms in the clade Ecdysozoa undergo ecdysis to shed what structure?
solve 5x = 2 written a afrction inits simplest form
What's it called when political jobs are given out right before someone leaves office? (two words)​
If you were looking for a place to establish a new community, what factors would you consider? Using the list below and any other ideas you have, rank the facto
main idea in chapter 1 a world without fish​
If 2, x,18 and 54 are in proportion then what is the value of x.​
Create a way to teach others how to be more empathetic (e.g., perform a skit, create a comic strip, write a short story, sing or rap original lyrics). (250-500
7th-grade math help me, please :(
WHAT Is the greek alfabet
HELP me please. What is the constant of proportionality