Formula help

posted by .

Let f(x) = 1/(x+7)+15/(x-8). Find all a for which f(a)=f(a+15).

How do I solve this problem?

  • Formula help -

    ok, solve.

    f(a)=f(a+15)
    1/(7+a) + 15/(a-8) = 1/(a+22) + 15/(a+7)

    multiply both sides of the equation by

    (a+7)(a-8)(a+22)
    and solve.

  • Formula help -

    This is a multiple choice question and I am not getting any of the choices

    a.) -161/8
    b.) 120/7
    c.) 161/7
    d.) -17

  • Formula help -

    Nor do I.

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

  1. Molecular Formula

    How do you work out the molecular formula?
  2. algebra

    use substitution to solve the linear system 3x-y=15 x+2y=-2 Solve for y in one formula, and then substitute that value for y in the other formula to solve for x. Once you find x, substitute that value into either formula to get the …
  3. algebra

    use substitution to solve the linear system 3x+2y=-5 4x-3y=16 help plz!!! Solve for y in one formula, and then substitute that value for y in the other formula to solve for x. Once you find x, substitute that value into either formula …
  4. Pre-Algebra

    Please help to solve to find x,y 1. y=7x-3 2. 4x+2y=8 Take the value of y in the first formula and substitute it for y in the second formula. Solve the second formula for x. Once x is found, solve for y in the second formula. Check …
  5. algebra

    how would i work out the following problems solve each formula in terms of the given variable 1. 5d-2g=9 ;g The formula A=2h(l+w) gives the lateral area a of a rectangular solids with length l, width,w and height h. 2. solve this formula …
  6. math 213

    The effect of depreciation can be computed using a formula similar to the formula for compound interest. a. Assume depreciation is the same each month. Write a problem involving depreciation and solve it. b. Develop a general formula …
  7. Algebra

    91. Find the domain of: y=-3x+1 a. all negative numbers b. x>0 c. all real numbers d. x=3 Can someone please show the work and how to solve this problem. There are many of these in my lessons and I don't understand how to solve …
  8. Calculus

    What do they mean about this question below::: Find the length of the portion of the parabola bounding R Would I have to use the arc length formula or some other formula in order to solve this problem
  9. English

    1. He can not solve the math problem. 2. He cannot solve the math problem. 3. He can't solve the math problem. 4. He could not solve the math problem. 5. He couldnot solve the math problem. 6. He couldn't solve the math problem. (Are …
  10. Algebra

    I am trying to solve the following using the Quadratic Formula but I am confused. Can you explain the steps?

More Similar Questions