mipe3ggyfKidgemissy
mipe3ggyfKidgemissy mipe3ggyfKidgemissy
  • 02-10-2016
  • Mathematics
contestada

−5x − 8y = 17 2x − 7y = −17

Respuesta :

phicxs
phicxs phicxs
  • 02-10-2016
Elimination Method

-5x - 8y = 17 (×2)
2x - 7y = -17 (×5)

-10x - 16y = 34
10x - 35y = -85
____________
-51y = -51
y = 1

-5x - 8(1) = 17
-5x - 8 = 17
-5x = 17 + 8
-5x = 35
x = -7

(-7, 1)
Answer Link

Otras preguntas

What is the range of each function given below let g(x)=3^2x?
What is 556x34 equal
Which item(s) are tax deductible for consumers who are buying or renting a home?
What's is a nucleus acid?
Evaluate u + xy, for u = 20, x = 9, and y = 8.
Convert 50 ft per s to mph
calculate the wavelength of a photon of a blue light whose frequency is 6.3×10^14 s^-1
Which is the primary nutrient we get from fruits and vegetables? fats proteins vitamins
8. If an atom has 35 protons in the nucleus, how many electrons will it have orbiting the nucleus?
making sure everything works the way, it should before you let it out is known as___________ a) designing b) testing c) planning d) developing