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 coefficient of y in the expression 12+3y-2x?
Which word is an interjection commonly used in advertising?
What is the change in number of individuals in a population over time? A. population decrease B. population stability C. population growth D. population resista
what is the meaning or definition of fighting-gear??
Please tell me five slogans on conservation of natural vegetation.
The neolithic revolution is most closely associated with....
The formula C = 20x + 5 models the cost of New York Yankees T-shirts, where C is the cost and x is the number of shirts sold. Choose ALL TRUE statements in the
The entire region of Northern Africa and southwest Asia has a climate generally described as?
The circumference of a circle is 6.28.What is the area of the circle?
The chickens on a certain farm consumed 600 pounds of feed in half a year. During that time the total number of eggs laid was 5,000. If the feed cost $1.25 per