joshclifford808 joshclifford808

29-03-2017
Mathematics

contestada

2y = 2x -8
2x + y = 5

Respuesta :

tuandbsk tuandbsk

26-04-2017

2x+y=5 => y=5-2x.
So we have: 2(5-2x)=2x-8 <=> 10-4x=2x-8 <=> 6x=18 <=> x=3.
=> y=5-2.3=-1
In conclusion: (x;y)=(3;-1)

Answer Link

Otras preguntas

Crossword-11 letters Second letter is r. Clue: evidence of authority. Reason for confidence or belief in someone or something.

QUESTION 3 A non-fiction news article should have a voice. True False QUESTION 4 When reading the two different versions of the Grasshopper and the Ant, you n

Siddhartha gautama was known as?

The hydrogen atomic emission spectrum includes a UV line with a wavelength of 92.3 nm. Is this line associated with a transition between different excited sta

Which logical fallacy often includes a premise that appeals to what is believed or done by the mainstream or the elite? a. hasty generalization b. popular app

On the coordinate grid of a map, Josie's house is located at (2,7). Her school is located at (-5,5). If each map unit equals one mile, what is the approximate

___ is the customers perception that a product has a strong positive

What copd is primarily caused by smoking, may have a genetic link, and has no cure? answer tuberculosis bronchitis emphysema diphtheria .

Why did England believe the colonists had to be responsible British citizens when they were an ocean apart? The British had sponsored their journey so they owed

Complete with the imperfect form of the verb in parentheses. Yo siempre ____________________ (ir) a mi cuarto después de comer la cena.