kaylagray2588
kaylagray2588 kaylagray2588
  • 03-05-2022
  • Mathematics
contestada

{4x+y=9 and 5x +2y=9
use substitution method to find all solutions of the system of equations

(X,y)=

Respuesta :

okikiolu3
okikiolu3 okikiolu3
  • 04-05-2022

Answer:

x=3,y=-3

Step-by-step explanation:

Isolate x for 4x +y=9: x=9-y/4

Substitute x = 9-y/4

[5 x 9-y/4+2y =9]

Isolate y for (45+3y/4)=9:

y=-3

For x= 9-y/4

Substitute y = -3

x= 9-(-3)/4

9-(-3)/4=3

X=3

The solutions to the system of equations are:

x=3 y= -3

Answer Link

Otras preguntas

solve pls brainliest
(brainiest) I just need help with the last question please! In training for a swim meet, Logan swam 750 meters in of an hour. His swimming partner, Mila, swam o
1. What type of cell is Osmosis (Ozzie) Jones?
What does 'boom' refer to in the term "Florida Land Boom?" Very sudden sound Cannon fire at military forts Thunder crashing in storms Very sudden increase i
How to find and interpret intercept in linear regression.
The Pyramid of Khufu in Giza, Egypt was the world's tallest free-standing structure for more than 3,500 years. Its original height was about 144 meters. Its bas
Solve the algebraic expression below. (0.4)(8)−2
I don't know what I did wrong. Can you help me please?
help please!!!!!!!!!!!!!!!!!!!!!!!!11111
What is 8.5 times 12? With steps?