bsamekram bsamekram
  • 12-12-2021
  • Mathematics
contestada

[tex]x+y=-9\\ x+2y=-25\\what is value of x[/tex]

Respuesta :

musiclover10045
musiclover10045 musiclover10045
  • 12-12-2021

x + y = -9

x + 2y = -25

Rewrite the first equation as x = -9-y

Relace x in the second equation:

-9-y + 2y = -25

Simplify:

-9 +y = -25

Add 9 to both sides:

y = -16

Now you know y,, replace y in the first equation and solve for x:

x -16 = -9

Add 16 to both sides:

x = 7

Answer: x = 7

Answer Link

Otras preguntas

name something that magnets has done for you in your life
A health club charges a one-time sign-up fee and a monthly membership fee. The equation y=30x+40 represents what the health club charges. Find the rate of chang
1)state 2 points with the same liquid pressure. 2)if "F" is the applying force and area of piston is A. Give a relation for Px and Py(p=pressure from F1,F2,A1 a
Galileo used the telescope to prove Copernicus' theory about the universe. True False
were there any beneficial results of hurricane harvey?
list the first 20 element​
Do clouds always lead to rain ? Explain
What is an equation of the line that passes through the points (-2, -8) and has a slope of 3
PART 4 OF ME FORGETTING STUFF
1.Jose is the breadwinner of the family. He works as a construction worker during the day and a balut vendor during the night. One day while on his way to his w