SOLUTION: Please help to solve below problem.. 1.5d-13 is an odd number what is 7th even number coming after it. 2.x-7 is an odd number what is 17 even number prior to that number.

Question 958411: Please help to solve below problem..
1.5d-13 is an odd number what is 7th even number coming after it.
2.x-7 is an odd number what is 17 even number prior to that number.
Answer by rothauserc(4718) (Show Source): You can put this solution on YOUR website!
1) 5d -13 is odd then
5d -12 is first even number and 5d -10 is second even number and so forth
5d is the 7th even number
note that the 7th even number after 5d-13 is given by X7 = 5d-12+((n-1)*2)
one picks d so that 5d-13 is odd
2) x-7 is odd, then x-8 is first previous even number and x-10 is second previous even number and so forth
x-40 is the 17th previous even number
note that the 17th previous even number is given by X17 = x-8-((n-1)*2)
one picks x so that x-7 is odd

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