Kidtyr9249 Kidtyr9249
  • 03-01-2018
  • Mathematics
contestada

PLS HELP!!!!
What is the solution of the system of equations?

y = –2x + 8
y = x – 4

Respuesta :

JennyTheLogger JennyTheLogger
  • 03-01-2018
make them equal to eachother to solve for x

-2x + 8 = x - 4

add 2x to both sides and 4 to both sides.

12 = 3x

divide by 3 to solve for x

x = 4

Now substitute 4 in for x to solve for y

y = (4) - 4

y = 0

Solution is:
x = 4, y = 0 or
(4,0)

Answer Link

Otras preguntas

answer this fast please
If there are 512 relation from a set A = [1,2,3] to a set B, then find number of elements in B ​
Which substance is a binary acid? hydrochloric acid phosphoric acid nitrous acid sulfuric acid
400 students are assembled in a square form.How many students are assembled in each now?​
If p=8×10^5, 5×10^−2. Find p×q​
The perimeter of a rectangle is 64 m and its length is 3 times its width, what is the length of the Rectangle?
Why do we add the exponents when multiplying monomials that have the same base? Please help me thank you.
NO LINKS !!!! Giving brainliest. Geometry with triangles word problem.
PLEASE HELP WITH THE FOLLOWING
Which element of the MakeCode Arcade interface represents an individual command that can be reused multiple times? A. A menu item B. A block C. A sprite D. A bu