jeiliani jeiliani
  • 13-11-2016
  • Mathematics
contestada

A) Necsito Ayudaa Con Eso<br />ayuden Porfa<br /-3x-7y=8 3x-2y=-44

Respuesta :

KatsuekiX
KatsuekiX KatsuekiX
  • 13-11-2016
Hi! 

[1] -3x-7y=8
[2] 3x-2y=-44

lets take [1]
-3x-7y=8
-7y=8+3x
-7y-8=3x
3x=-7y-8

No use 3x=-7y-8 and put it in 3x-2y=-44
-7y-8-2y=-44
-9y-8=-44
-9y=-36
9y=36
y=4

then use y in 3x-2y=-44
3x-2(4)=-44
3x-8=-44
3x=-36
x=-12
Therefore, y = 4 and x = -12
Answer Link
friedalafiesta
friedalafiesta friedalafiesta
  • 13-11-2016
The solutions are:
y= 4
x= -12

Hope this helps!
Answer Link

Otras preguntas

Suppose you choose a marble from a bag containing 6 red marbles , 2 white marbles and 5 blue marbles you return the first marble to the bag and then you choose
please help on this one?
Why is active listening important and what are the four elements of active listening?
Who were the Canaanites and their characteristics?
Each of the following words has a root ending in y. To each, the suffix -ed has been added. Which word is spelled correctly? A. Defyed B. Spyed C.
ΔABC has vertices A(-4,6), B (-6, -4), and C (2,-2) The following transformation defines Δ A'''B'''C''': ΔA'''B'''C'''=R--------------Rest in image, multiple ch
Which word shares a word root with remember?
Solve the equation. (x-5)(x+3)=0
Alex, Kenny, Chris, and Donna all live on the same street as their school, which runs from east to west. -Alex lives 5 5/10 blocks to the west -Kenny lives 4 5/
the mathematics Department of a college has 11 male professors 12 female professors 9 male teaching assistants and 12 female teaching assistant if a person is s