Answer:
Let the number be x. Here x acts as any no u think of..right??
step 1: 2x
step 2: 2x+6
step 3: (2x+6)/2
step 4: (2x+6)/2 - x = (x+3) - x = 3 (cancelling 2 in (2x+6)/2,we get x+3 ..dnt get confused :D )
That's y d ans s always 3. :) :)
Stay blessed!!
