aysegul329 aysegul329

05-02-2015
Mathematics

Answered

X+y=-4 -x+2y=13 can someone please help me with this I dont understand this

Answer :

05-02-2015

{ x+y=-4
{-x+2y=13 (+)
x+(-x)+y+2y=-4+13
3y=9 /:3
y=3

x+y=4

x+3=4 /-3
x=1

Answer: y=3, x=1

Answer Link

Other Questions

What is the continuous process of ensuring that your staff does their current job well? a. Performance reviewb. Counselingc. Coachingd. Mentoring

What would happen if no SLA was established between an IT department and other departments?What is one important thing to consider when building a successful SL

In a school, 3 out of 8 students wear wrist watches. If 5 students are selected at random from the school, find, correct to 2 decimal places, the probability th

Passage A:Passage B: When my sisters and I cared too much about our appearance, my mother would tell us how Trujillo's vanity knew no bounds. How in order to ap

What three areas of economics are marketers most question 2 of 5 concerned with in selecting a market?A. Market growth, purchasing power and image B. Availabili

why does the raven forget that his voice is just a croak?

A 26 year old man was brought to a hospital emergency room for evaluation by police. He was mute, immobile, and lying on his back with his arms extended in a bi

¿Cuántos litros de agua se necesitan para llenar un recipiente con las medidas que se muestran en la figura?[tex]\[ \begin{array}{ll} a = 0.51 \, \text{m} &

Can 2x^2+10x+8 be represented by a rectangle

Which type of hypersensitivity reaction includes reactions to blood group incompatibility?

how do you simplify radical expressions 81 1/4

A man saves 18% of his monthly income. If he saves $. 1890 per month, what is his monthly income?

Find the least number which when increased by 15 is exactly divisible by 15, 35and 48.

Which internal conflict causes Odysseus to hold onto the shattered raft even though Ino tells him to let go?

Two hundred percent more than 50 is? a).100 b).150 c).175 d).200 e).250

Bennett has 3,629.8 square centimeters of material. Which is closest to the radius of the largest sphere he can make using the material?

Bennett has 3,629.8 square centimeters of material. Which is closest to the radius of the largest sphere he can make using the material?

mercury is a liquid meteal but it is not hard? how can we say it is a metal

A coat that originally sold for $369.00 is on sale at a 40% discount? How much will you pay for the coat?

Can you please explain me how to do integration in physics in a easy way?