jrjebrbbrebb92902020 jrjebrbbrebb92902020
  • 03-02-2021
  • Mathematics
contestada

Explain your answer !!
Have a nice day

Will give braisnlt

Explain your answer Have a nice day Will give braisnlt class=

Respuesta :

imtiazkalwar
imtiazkalwar imtiazkalwar
  • 03-02-2021

Answer:

[tex]x=3[/tex]

[tex]y=-4[/tex]

Step-by-step explanation:

[tex]4x+5y=-8[/tex] ----------- (1)

[tex]-4x-4y=4[/tex] -----------(2)

Adding equation (1) and (2)

[tex]4x+5y-4x-4y=-8+4[/tex]

[tex]y=-4[/tex]

Substitute y=-4 in equation (1) or (2)

[tex]4x+5(-4)=-8[/tex]

[tex]4x-20=-8\\4x=-8+20\\4x=12\\x=3[/tex]

Answer Link

Otras preguntas

Data that's displayed randomly on a scatter plot graph illustrates (please help asap!) positive correlation. negative correlation. none of these. no correlation
If the vas deferens were cut in a male, how would that affect the flow of sperm?
Solve by elimination -2x+5y=-1 3x+2y=11
using the table find the value of y when x=2​
2x + 6 96 solve for x using an algebraic equation
PLZZZ HELP ME ASAP FOR BRAINLIEST AND 20 POINTS I am desperate and these are my last points. :'(
Desiree has $36 in her bank account. She spends $14.50 on dinner and tickets to a basketball game. Which equation is set up to determine how much money Desiree
Only MHA fans will know the following: Alien Queen =D
the student has a widow 's peak because of her ?
How many zeros are in the simplified expression 4 X 10% ?A. XB. X - 1C. X + 1D. 4×​