businessarrow36 businessarrow36

21-12-2020
Mathematics

contestada

What is the solution for the systems of equations below?

3x+4y=-2
2x-4y=-8

answers

x=2, y=-2
x=6, y=-5
x=4, y=4
x=-2, y=1

Respuesta :

meowmeow223334 meowmeow223334

21-12-2020

Use elimination
3x + 4y = -2
2x - 4y = -8
Add both equations
5x = -10, x = -2
3(-2) + 4y = -2
-6 + 4y = -2
4y = 4, y = 1
Solution: x = -2, y = 1

Answer Link

Otras preguntas

Which of these is associated with bulimia nervosa?

why is English important to us ?

How many picometers are in 2.0 meters?

Please help me out!!!!!!!!!!!!!!!!!!

7. One hazard associated with driving downhill is:

Light exhibits the Doppler effect what does this tell us A. Light has properties in common with other types of waves B. Light and sound are the same types of w

The Catechism is the summary of the principles of the Christian religion, and it defines God like this: "God is the supreme spirit who alone exists of himself a

What would you have to add to this sentence? Got a pet turtle

What effect does Twain’s disclaimer have on you as you begin reading his novel? Check any of the boxes that apply. It makes me a little bit afraid to read the n

If angle 1 has a measure of 56° and angle 2 has a measure of 124°, the two angles are complementary. Question 1 options: True False