melinacalvillo9
melinacalvillo9 melinacalvillo9
  • 02-06-2021
  • Mathematics
contestada

I need help with number 4!

I need help with number 4 class=

Respuesta :

sreedevi102
sreedevi102 sreedevi102
  • 02-06-2021

Answer:

x = -8, y = 6

Step-by-step explanation:

x + 2y = 4 ------(1)

x + y = - 2

y = - x - 2 ----------(2)

Substitute y in (1)

x + 2(- x - 2) = 4

x - 2x - 4 = 4

- x = 4 + 4

x = -8

Substitute x in (2)

y = - (- 8) - 2 = 8 - 2 = 6

Answer Link
thadollkayy
thadollkayy thadollkayy
  • 02-06-2021
X is -8 and Y is 6 I hoped this helps!
Answer Link

Otras preguntas

I need help with Spanish, help would be much appreciated
HELP What is the momentum of a 50-kg ice skater gliding across the ice at a speed of 5 m/s?
Which factor helped Abraham Lincoln win re-election in 1864
Cho S là ngoại diên của khái niệm con người, p(x,y) = x yêu thương y. 1) Viết các phán đoán sau đây dưới dạng công thức: a) Nhiều người yêu thương A. (Thay A bằ
Answer the following: a) 2x32 = b) (2 x 3)2 =
a vehicle accelerates with 0.4m/^2 calculate the time taken by the vehicle to increase its speed 20m/s to 40m/s
Why is repetition a useful rhetorical device for a political speech?
A book that is 13 inches tall is leaning against the edge of a wall. If the bottom of the book is 5 inches from the wall, how far up the wall is the top of the
Plz help, I will give the brainliest to the most educated answer
Jordan has more than 25 coins in his collection. Which inequality shows the number of coins in Jordan's collection?