college algebra

write two equations that have your two intergers as a solution.

5x-y=10

X + 6y=18
addition and subtraction methods

  1. 👍 0
  2. 👎 0
  3. 👁 83
asked by connie
  1. 5x-y=10
    x+6y=18
    multiply the 2nd equation by -5 because you want to either make the x's or y's cancel
    -5x-30y=-90
    5x-y=10
    -31y=-80
    solve for y (it should be a fraction, not a whole number)
    put that back in for y in any equation to solve for x

    1. 👍 0
    2. 👎 0
    posted by Jen

Respond to this Question

First Name

Your Response

Similar Questions

  1. math

    I would appreciate any help thanks select two intergers between -12 and +12 write two equations that have the two intergers as solutions. solve the equation using addition/subtraction method

    asked by yorkie16 on April 16, 2009
  2. college algebra

    6x+7y=53 8y-9y= -21 write two equations that have your two intergers as a solution.Addition and subtraction methods

    asked by connie on May 7, 2010
  3. math

    In need of assistance please take two integers between -12 and +12 write two equations that have the two intergers selected as solutions. solve the equations by addition/subtraction method.

    asked by yorkie16 on April 16, 2009
  4. algebra

    consider three consecutive even intergers, the least of which is x. Write a polnomial representing the product of these three intergers.(p+3)(p-4)(p-3)(p+4)

    asked by Ellen on November 25, 2007
  5. math 20 system of equations

    I have been solving system of equations graphically and using addition and subtraction and now I'm being asked: Give any linear system of two equation that has a solution of (3,5). Does it have to be in y=mx+b form and if so how

    asked by Sandi on October 12, 2010
  6. Predicting products for electrolysis

    when you have your 4 different equations to form 4 different possible equations, what two equations do you use for water, O2(aq) + 4H+ + 4e- ----> 2H20 (+1.23) 02 (g) + 2H2O (l) + 4e- ----> 4OH- (+0.40) 2H20 (l) + 2e- ---> h2 (g)

    asked by Sienna on January 16, 2007
  7. Math

    I am stuck on trying to figure out how to do this question. Could someone please show me 5 necessary steps ? Thank you. Here is how the assignment question is worded. Select any two integers between -12 and +12 which will become

    asked by Tiffany on February 9, 2011
  8. 8th grade math

    the sum of three intergers is 193.The smaller two are consecutive intergers and the larger two are consecutive even intergers.What are the three intergers?

    asked by chritian on September 22, 2008
  9. Chemistry

    Write net ionic equations for these reactions : Cu^2+ + Fe -> Hg^2+ + Fe-> Fe^3+ +Fe-> Pb^2+ +Fe-> Ag^+ + Fe-> and then the same but instead of Fe, addition of Cu to the six solution that I wrote before.. What ions are reacting in

    asked by Carolina on May 9, 2010
  10. math

    1. Select any two integers between -12 and +12 which will become solutions to a system of two equations. 2. Write two equations that have your two integers as solutions. Show how you built the equations using your integers. Your

    asked by John on March 31, 2011

More Similar Questions