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 complete predicate of the following sentence?sharon and Jason went for a walk then a bike ride
Evaporation: Evaporation is the process where a _________ changes into a _________.
what causes the earths crust to move ?
I am so confused about this graphing problem, just need answer doesn't have to show workRectangle ABCD has a length of 9 and a width of 7. Point D is the ordere
Two identical capacitors are arranged in a circuit. What is the ratio of the equivalent capacitance of the circuit when the capacitors are in series to that whe
Who established a school for navigation?
Compare and contrast an electromagnet and a permanent magnet.
Who established a school for navigation?
What hardships did the south face after the civil war????
How many seconds in 2.6 days