posted by .

Solve by the subsitution method.
2x +4(23+3x)=-6
2x +92 +12 x =-6
y= 23 I am lost after this could some one help me

  • algebra -

    check your arithmetic from
    2x +92 +12 x =-6 to
    x = 7
    should have been x = -7
    then y = 23-21 = 2

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

  1. subsitution method

    Can some one show me how to use the Substitution method to solve the system of these equations. x + y = -4 x - y = 2 x + y = 10 y = x + 8 on the first set. Solve for either x or y in either equation, then put that value into the other …
  2. Algebra

    How do I solve for the elimination method: 5x + 3y= -7 and 7x - 2y =13 (step 1); 10x + 6y =-14 and 21x -6y = 39 ( step 2), 31x/31= 25/31, x= 25/31 (step 4). But after that I get lost. Can somebody help me out please.
  3. algebra

    I have tried these problem cannot get the answer so could some one help me. Solve by the subsitution method. 2x-7y=-11 2x +17=y What is the solution of the system.
  4. maths

    the easiest method for simutanious equations using subsitution method is?
  5. algebra

    solve by subsitution 6x + 5y = 27 x = 17 -8y my answer was (3,-7)
  6. Algebra

    Solve by elimination method. 7r-3s=14 3r+7s=64 Could never figure out the elimination method. Would love some help with this one. Thanks
  7. algebra

    whats the subsitution method for: 7x+63y=12 x=3-9y
  8. algebra

    solve using the subsitution method 4x+4y=36 4x+4y=12 If the system has no solution or an infinite number of solutions, please help me understand it.
  9. Subsitution Method Grrr

    Please show me the steps and solve. 3x+5y=1025 x+5=275
  10. algebra

    solve by subsitution 2x+y=9 8x+4y=36

More Similar Questions