Answer:
Translates to x-(x+6) which simplifies to -6
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Step-by-step explanation:
x = some number
x+6 = the sum of x and 6
x-(x+6) = subtract the previous amount from x
x-x-6 .... distribute the negative through to each term
-6
No matter what number you started with, you'll always end up with -6 as the fully simplified answer. The x variables cancel.
Example:
Pick 10 as the starting number. Subtract off 10+6 = 16 to get 10-16 = -6.