Algebra I

posted by Briana

So- im trying to help my little brother out with his Algebra- but its been awhile since i have had algebra class- we need help with the following question:

Solve the following equation for x:
2(x+4)=4x+12


2x+8=4x+12
2x=-4
x=-2

I think, lol

I'll buy that.

okay- i got that too- thanks!

1/2n - 1/8> 3/4 + 5/6n

  1. AROUJ

    8<5-M+1

  2. Jasmine

    2x+8=4x+12
    2x-8=4x-08

    2x=4x+4
    -4x

    -2x=4
    -----
    -2

    x=-2

  3. Donna

    -v+5+6v=1+5v+3

  4. peter opoku ware Sabronum

    -1

Respond to this Question

First Name

Your Answer

Similar Questions

  1. Algebra

    I am in need of assistance with the following problem: v-4(4-v) = -2(2v-1) I don't want an answer I will work the problem myself I just need some one to assist me with the detailed rule or formula to work the problem. I have been on …
  2. Algebra

    I need help with my daughters homework. I know a little bit of algebra but it has been about 15 years since I have done it. She switched schools recently and there was a learning gap in the schools. The problem is: give the demensions …
  3. Algebra

    I've been trying to figure out this equation for over an hour but all the answers I get are wrong. The equation is 0.9=-10I^2+6I . The answer is supposed to be 0.3 and it does work out, but I have tried all different ways to solve …
  4. algebra 2

    how do you solve quadratic equations by finding square roots i have no clue how to do this. I have fallen behind in my math class because my teacher is horrible. I need to learn this to understand everything in the section in the section. …
  5. Algebra.. please help

    Please help. I have been trying to figure this problem out for an hour now. Solve the following system of equations. X + 8y = 5 (1) x=8-8y (2)
  6. algebra

    I have been trying to solve this question, and I am not getting the right answer. I need to do Grouping 5x^3+5x^2-x+1
  7. algebra

    Since I am new to the algebra and do not fully understand it, I am not sure how to answer the following question. Hope you can help. thanks how do you know when an equation has infinitely many solutions
  8. algebra

    Jane is taking a class and asks you to help her figure out what her last grade must be in the class to get a 85 in the class. She tells you the following calculation is used to find your final grade: w2d2 x is her last score which …
  9. College Algebra

    Solve the following equation in the complex number system x^4+x^3+4x^2+10x-60=0 College Algebra - Reiny, Monday, January 2, 2012 at 11:49pm hint x = 2 and x = -3 are roots so either do long division by x-2 and x+3 to get a quadratic …
  10. Algebra

    I have been trying to solve this for two hours help. Determine whether the ordered pair (-5,2) is a solution of the following system of equations x - 3y = 1 y= 3x - 17

More Similar Questions