SOLUTION: Question: The sum of the reciprocal of an integer and the reciprocal of six-more-than-that-integer is the same as 5 / 36. I have no idea how to start to set this up or solve it.

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Question 205516: Question: The sum of the reciprocal of an integer and the reciprocal of six-more-than-that-integer is the same as 5 / 36.
I have no idea how to start to set this up or solve it. I am so confused.
Thank you for the help

Answer by Targetweek(62)   (Show Source): You can put this solution on YOUR website!
so
and
now you have a systems of equations and can solve it
first substitute the second equation into the first
1.
2. Get the same denominator
a.
->
b.
->
3. Simplify by addiing together
->
4. Simplify further
a.
->
b.
->
c.
->
->
d.
->
5. Now get everything over to one side and simplify
a.
6.Now use the quadratic formula to solve for x
Solved by pluggable solver: SOLVE quadratic equation with variable
Quadratic equation (in our case ) has the following solutons:



For these solutions to exist, the discriminant should not be a negative number.

First, we need to compute the discriminant : .

Discriminant d=291601 is greater than zero. That means that there are two solutions: .




Quadratic expression can be factored:

Again, the answer is: 0.0055606995840675, -5.99444958847296. Here's your graph:


and there are your two answers
... actually it's not... those aren't integers... are you sure you input the problem verbatim

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