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

Name some of the economic troubles of France.
The ___ carries blood rich in nutrients and oxygen to the fetus
true or false.chromatid separet during anaphase​
A batch of cookies calls for 1.5 ounces of chocolate chips. Mike is baking 5 batches of cookies. He already has 2.2 ounces of chocolate chips. How many more oun
anyone know this answer?
Ecosia is one solution to climate change. Why?
(WILL GIVE BRAINLY) A student takes apart a wooden box. What can they build with the materials from the box?A) They cannot make anything with the materials.B) T
The difference of two radii of two circles is 21m and sum of their circumference is 660m. Find the radii of the circles.​​
i need help plzzzzz anyone plzz I have it due soon​
Find the scale factor of quad JKLM to quad ABCD