kimbriea kimbriea

20-04-2015
Mathematics

contestada

how to solve 3x+y=-14;-2x-y=9

Respuesta :

hackerguy hackerguy

20-04-2015

3x+y=-14
-2x-y=9
++++++++++++
x=-5
y=1

Answer Link

AndyBryer AndyBryer

20-04-2015

This is a set of simultaneous equations.
3x+y=-14
-2x-y=9
Use elimination by addition
x=-5
the substitute for y
y=1

Answer Link

Otras preguntas

The cubed root for 50

Mrs. Safar purchases a bedroom set for $1600. Five percent sales tax is added to the purchase price and she must also pay a $60 delivery fee. If Mrs. Safar pays

PLEASE I TRIED LOOKING OTHER ANSWERS IT WAS WRONGA difference between the economies of the North and the South before the Civil War was thatthe North relied on

how do these groups differ from one another

There are 90 total days in winter. If it snowed on 30% of the days, on how many days of winter did it snow?

The compound interest on 1800 at 10% per annum, for a certain period of time is 7378. Find thetime in years.

The picture above tap and tell me yes or no in order thank you :)

What was the name given to the school of thought that the three pigs had tumed Old Major's teachings into?

Reading for understanding1. According to the poem, what does the African lion enjoyeating?2. What does the lion do when he takes a bite out of a good boy?3. Wha

Of all the eighth graders at the Paxton School, 15 played basketball, 9 played volleyball, 10 played soccer, 1 played basketball and soccer only, 2 played

ACCESS MORE EDU ACCESS