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 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

adam used the three fraction s to make a circle graph and colored each a different color. what fraction of the graph is not colored?
Jessica was solving an equation. After she finished simplifying, her result was 0=2. This result confused her. Explain to Jessica what her result means. Explain
plant roots can grow through cracks and what?
after a fire, the ashes have less mass and take up less space than the trees and vegataion before the fire. how can this be explained in terms of the Law of Con
which is equal to 52 tens a 52,010 , b 5,210, c 5,200 d 520
How do solve 4v-13-10v=12-24v+5
adam used the three fraction s to make a circle graph and colored each a different color. what fraction of the graph is not colored?
Which friend has greatee elevation & which friend is father from sea level?
Leo has a total of 45c. he has some dimes and pennies . How many  different combinations of dimes and pennies could Leo have?make a table to solve.
who comes up with ideas for laws?