Algebra

posted by .

How do I find the solution for -2x-4y=1 12y=-6x-3?

  • Algebra -

    you can see that -2x = 1+4y
    So, -6x = 3+12y

    Now substitute that into the 2nd equation and solve for y.

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

  1. Quadratic Equations

    Ok, I am supposed to find out what the variables are by factoring and finding square roots. I couldn't find the right factors of a and c that added up to b in the equation (did that make sense?
  2. Algebra

    Can someone show me step by step how to do this problem to have an example to go by so I will be able to do my other problems. Thanks Solve by substitution 4x-12y=5 -x+3y=-1 I know that you have solve one of the equations. I have picked …
  3. math/algebra

    solve each of the following systems by substitution. 16) 5x -2y = -5 y - 5x = 3 20) 8x -4y = 16 y = 2x - 4 28) 4x -12y = 5 -x + 3y = -1 Step one: Solve on of the equations for one of the variables. y=2x-4 Step two:Substitute the expression …
  4. Algebra

    Would this be correct? Factpr completley: y^3-12y^2+36y y(y^2-12y+36) y(y-6)^2
  5. math 012

    will someone please double check my answer to this problem. the answer i get is a fraction, but not sure how to type it on here. 4(4y+2)=2(1+6y)+8 16y+8=2+12y+8 16y+8=10+12y -16 -16 8=-6+12y +6 +6 14=12y divide both by 12 and that …
  6. Math

    Correct the error in this equation: 6(2y+6)=4(9+3y) 12y+36=36+12y 12y=12y 0=0 y=0
  7. algebra

    Select the set of equations that represents the following situation: The cost of eleven CDs and twelve DVDs is $150.62; and the cost of one DVDs and twelve CDs is $116.07. How much do a CD and a DVD cost?
  8. math

    how i can see the exact solution of 6y-12y=12 and4x-12y=8
  9. algebra

    -2x-4y=1 12y=-6x-3 I have to find the solutions, or no solution, or infinite solutions to these two equations.
  10. algebra

    find the pair of parallel lines 1)-12y+15x=4 2)4y=-5x-4 3)15x=12y=-4

More Similar Questions