Post a New Question

algebra

posted by .

2(a-4)+15=13

Please show step by step

  • algebra -

    2(a-4)=-2
    a-4=-1
    a=3

  • algebra -

    2(a-4)+15=13

    2a - 8 + 15 = 13

    2a + 7 = 13

    2a + 7 - 7 = 13 - 7

    2a = 6

    a = 6/2

    a = 3

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

  1. Algebra help

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

    I'm trying to rearange this 0 = Xo + 2^-1 a t^2 for t I've been told that it is (a^-1 2x)^(2^-1) but I do not see how please show me step by step how you get that 0 - Xo = Xo - Xo + 2^-1 a t^2 (-Xo = 2^-1 a t^2) a^-1 2 (a^-1 (2-Xo) …
  3. Algebra

    Can someone explain to be how to put (x/ (x^2-4)) in another form... please show step by step thank you!
  4. Physics

    Can someone please show me step by step how to normalize e^-5x in the interval (0, infinity)?
  5. algebra

    Can someone help me find value of x. please show step by step examples 6/x = 7/x+3
  6. Algebra

    show me step by step how to solve t hese problems. 5 7/8 +(3 1/3 - 1 1/2) i cannot get this down please help
  7. ALGEBRA HELP

    When solving the equation, what property was used to go from step 3 to step 4?
  8. Quick math help

    In which step below does a mistake first appear in simplifying the expression?
  9. Algebra 1--Step-by-Step

    Can someone show me how to solve these step-by-step?
  10. Math

    I need help solving the problem not the answer. (Multiple Choice) The steps below show the incomplete solution to find the value of x for the equation 7x + 8 − 3x = −6 + 10: Step 1: 7x + 8 − 3x = −6 + 10 Step 2: 7x + 8 − …

More Similar Questions

Post a New Question