Math

2x+y=5
x-y=4
i kno the answer but i just want to make sure..am i in rite place lol

  1. 👍 0
  2. 👎 0
  3. 👁 32
asked by Nemo
  1. Add the separate sides of the pair of equations and you get
    3x = 9
    Take it from there.

    1. 👍 0
    2. 👎 0
    posted by drwls

Respond to this Question

First Name

Your Response

Similar Questions

  1. Chemistry

    Can someone please tell me if I am doing this problem correctly. Thank you! Given: 450 mL (0.450L); 0.250 M KNO Need: Mass of KNO Q) What mass of KNO3 (MW=101) is needed to prepare 450mL of 0.250 M KNO3 in water? A) 0.450 L

    asked by Kishwa on April 1, 2013
  2. Chemistry

    Urgent... Someone please help!! Can someone please check to see if I am doing these correctly, I have a test tomorrow... Thank you :) Q) Calculate the new molarity of a 35mL sample of 0.450 M CaCl2 solution that is diluted with

    asked by Kishwa on April 2, 2013
  3. math

    how do you check an answer if 4(j-7)=12 4j-28=12 -16=4j j=4 is this rite?how do you check if rite? It is wrong. When you add 28 to both sides, one gets 4j= 40 j= 10 in baseball, the pither's mound is 6 in. more than 20 yd from

    asked by david on March 1, 2007
  4. Human services

    Can you please explain to me what a Rite of Passage Paper is? Write a 1,400- to 1,750-word paper in which you create two modern rite of passages, one for an adolescent girl and one for an adolescent boy, that address the social

    asked by Patiance on February 1, 2011
  5. math

    THIS IS SYSTEM OF EQUATIONS:SUBSTITUTON Y=2X-8 X-Y=2 I KNO THAT U COMBINE SO IT WILL BE X-2X-8=2 WHICH WLL BE 3X-8=2 BUT I DON'T KNO HOW TO FINISH TH REST......CAN SOMEONE HELP ME....... IF DID SOMETHING WRONG PLEASE TELL ME

    asked by kris on October 25, 2008
  6. TI N-spire

    ok so i kno this isnt a math prblem, but it a question that im sure many people would love an answer to. Is there any easier way to change the mode on the n-spire from degres to radians(or vice versa) without having to go into th

    asked by Ryan on December 11, 2009
  7. math

    hello, i have some question about rational functions. 1) are there any sites that are good in teaching graphing rational functions? 2) for the domain of the rational function it is what the denominator cannot equal to rite? for

    asked by julie on October 23, 2007
  8. tangrams

    for my class i have to write a pair of directions for a animal made from a tangram but i kno how to put it together but don't kno how to explain the directions PLEASE HELP I NEED IT BY TOMORROW AND ITS GRADE

    asked by Anonymous on November 6, 2006
  9. Math

    Can 2xy - y - 1 be factored out? How? about all you can do is take the common y out of the first two terms; that in itself is not much help. dont know if this is rite or not..but just a guess.. assuming 2xy - y - 1 = 0 2xy - y = 1

    asked by Sarah on August 15, 2007
  10. chemistry

    Ni+4CO=NI(CO)4 this reaction separates nickel from other solid impurities.Starting with 86.4g NI,calculte the pressure of NI(CO)4 in a container of volume To Drbobb222, after using the formular u gave. PV=nRT moles for NI(CO)4 is

    asked by silly on November 28, 2010

More Similar Questions