posted by .

Solve by elimination: 5x+7y=77 , 5x+3y=53 can you please help me out step by step so I can understand it on my own, thanks.

  • Math -

    -1(5x+7y=77 )

    -5x -7y = -77

    -4y = -24

    y = 6

    5x + 3(6) = 53
    5x + 18 = 53
    5x = 35
    x = 7

  • Math -


  • Math -

    3x+6y=6 2x-3y=4

  • Math -

    3x+6y=6 2x-3y=4

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

  1. 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.
  2. Algebra help

    f(x)=x^3-4x^2-x+4 How do I find the x-intercept for this?
  3. Algebra

    I'm trying to solve (5x-4)/(5x+4)=2/3. I don't know how to get the x's on their own. I thought that the fraction would cancel itself out so it's -1x, but that wouldn't equal 2/3. Could you show me this step-by-step?
  4. Math need by 9pm cst

    Solve by elimination method. Please show step by step process. 7r-4s=-7 4r+7s=61
  5. math

    solve by the elimination method: 9x-9y=18 7y-3x=-8 please solve step by step thank you for your help
  6. algebra

    Solve by the elimination method. x+4y=45 -x+4y=27 please step by step
  7. Precalculus

    This is for solving exponential/logarithmic functions: (This is a base e Logarithmic function I would assume): e^(4x)/10 =4^x-2 ?
  8. Math

    Solve (16x^2)^-3/4 Please help using step by step. I don't understand how to do this. Thank you
  9. Algebra 2

    I need step by step on how to solve this problem plz help I've been trying to figure it out for like an hour. Solve the system using the elimination method. 4x-y+2z=-18 -x+2y+z=11 3x+3y-4z=44
  10. algebra

    solve the system using elimination 2x-5y=8 x-3y=-1 please explian step by step

More Similar Questions