fisherjake510 fisherjake510
  • 01-08-2017
  • Mathematics
contestada

Solve the system using elimination. x + 2y = –6 3x + 8y = –20

Respuesta :

texaschic101
texaschic101 texaschic101
  • 01-08-2017
x + 2y = -6....multiply by -3
3x + 8y = -20
---------------
-3x - 6y = 18 (result of multiplying by -3)
3x + 8y = -20
--------------add
2y = -2
y = -2/2
y = -1 <===

x + 2y = -6
x + 2(-1) = -6
x - 2 = -6
x = -6 + 2
x = -4 <==

solution is (-4,-1)
Answer Link

Otras preguntas

Match the following sandy beach organisms with the zone in which they live sand mussels intertidal zone amphipods back shore zone beetles dunes
In England people associate the acceptance of their bill of rights with the reign of
Last year a state university received 3,560 applications from boys,of those applications,35%were from boys who lived in other states .applications due to the un
An adult blue whale can eat 4.0 x 10^7 krill in a day. At that rate, how many krill can an adult blue whale eat in 3.65 x 10^2 days?
3/8(n+10)=6 what does n=
Mr. thomas spent $1600 of his savings on a television set and 2/5 of the remainder on a refrigerator. he had 1/3 of his original amount of savings left. a) what
How far north did Islam spread in the 600s? How Far East?
This religion, which emphasizes detachment from wordly goods, orginated in India and missionaries spread it to China, Japan, and other parts of Asia. A. Christi
why was northern Italy a natural birthplace for the renaissance?
The early Israelites recorded event and laws in a text that is called _________