hannah1brown hannah1brown
  • 07-12-2016
  • Mathematics
contestada

What pair is the solution of [ x-y=-3 and [2x+y=0

Respuesta :

d20010110
d20010110 d20010110
  • 07-12-2016
x-y=-3---------No.1
2x+y=0-------No.2
No.1+No.2:3x=-3
x=-1
y=2
Answer Link
texaschic101
texaschic101 texaschic101
  • 07-12-2016
 x - y = -3
2x + y = 0
----------------add
3x = -3
x = -3/3
x = -1

x - y = -3
-1 - y = -3
-y = -3 + 1
-y = -2
y = 2

solution is (-1,2)

Answer Link

Otras preguntas

impact of social media such as Facebook twitter etc. on our social life
why are atoms always bonded
What individual right did the Justinian code protect for woman
In convection, hot gases rise through cooler gases as they travel to the top of the convective zone. Once they reach the top of the convective zone, they cool.
Which statement summarizes the law of segregation
The density of steel is 7.8 grams per cubic centimeter. What is the volume of a piece of a sheet of steel that has a mass of 3.75 kilograms?
What are the next letters in the sequence CD, HI, MN, RS
julia has 4 gallon 2 quater of water.ally need the same amount of water but only has 12 quater. how much more water does ally need
During the 1970s and 1980s, the Sikh Separatists and the Palestine Liberation Organization (PLO) were similar in that they
Which of the following is a motif in the story "a celebration of grandfathers" A. nature B. Fiestas C. Character vs. Character D. The difficulty of learning Eng