algebra

posted by .

ur supposed to add straight down, but then i think u have to multiply one equation by the other to get y to cancel out, and then i get up to that step, and then just get really confused, i really do appreciate any help...THANX

x+4=-2
x-y=2

  • algebra -

    Are you sure you copied the first equation correctly? There is no y term in it. It already tells you that x = -6

  • algebra -

    actually i did write it wrong, im sorry, but i already got the answer for it, thankyou for your time anyway..

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

  1. math

    A=1/2h (b1 + b2) Solve for b1 A=1/2h (b1 + b2) Solve for b1 I assume this is A = (1/2)(h)(b1 + b2); i.e., the h is in the numerator and not the denominator Multiply both sides by 2. 2A = (2*1/2)h(b1 + b2). 2*1/2 on the right side is …
  2. math, algebra

    can someone correct this for me or help me. 6x^2y^3+ 9x^2y^3 divided by 3x^2y^2 my solving and answer is: 15 x x y y y ---------- = 5y 3 x x y y Looks good to me. I've never thought of showing x^2y^3 as xxyyy. That a neat wrinkle. …
  3. math,help

    Can someone show me how do i multiply the following fractions: (n^2-n-20)/(2n^2) times (n^2+5n)/(n^2-25) When you multiply fractions, you just multiply straight across. So if you have: 1/3 * 1/4 1*1 ---- 3*4 That's 1/12 With that in …
  4. algebra

    Solve the system by graphing. x + y = 4 –x + y = 2 confused where do i start do i need to solve for x and find points I'll bet that after doing a few like this you would be able to do this one in your head. just add then up. The …
  5. maths

    Can someone please help me with solving this equation (I don't know how to do it with the fractions) 1/3 x1^-2/3 . x2^2/3 -------------------- 2/3 x1^1/3 . x2^-1/3 how do I cancel out some of the terms and reduce it down so that Im …
  6. Algebra

    Solve Q= (N-S)/ N for N So when I multiply both sides by N I get Q(N)= N-S I know I am doing something wrong, the answer is in the book which is N=S/(1-Q)but I don't understand were the 1 comes from. Could you write it out step by …
  7. Mathematics

    I have to show that for any (pi)A, Sin(A)squared + Cos(A)squared = 1. I don't really get the question... am I supposed to multiply A by pi?
  8. Necessary Math HELp

    2x + y = -5 3x +5y = 3 How come I have to multiply by 5 to make the y variables cancel, like what does that mean?
  9. Math

    I am really have a tough time trying to solve this problem. I think my first three steps are correct but I am not sure. Could someone please help me?
  10. math

    I need help solve the equation by fractions 8/(21-y) = 12/(y+19) I think the answer is y = 5, i just need to know how to do work out. i done some solution like this first multiply by(21-y)(y+19)(assuming that y = 21 and y = 19: (21-y)(y+19)8/(21-y) …

More Similar Questions