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If 15<x<3915<x<3915<x<39, what is the value of ∣x−15∣+∣x−39∣?|x-15|+|x-39|?∣x−15∣+∣x−39∣?
If −12≤a<12-12 \leq a < 12−12≤a<12, what is the value of ∣a−14∣+∣a−12∣+∣a+12∣+∣a+14∣? \lvert a-14 \rvert + \lvert a-12 \rvert + \lvert a+12 \rvert + \lvert a+14 \rvert ?∣a−14∣+∣a−12∣+∣a+12∣+∣a+14∣?
If 9≤a<299 \leq a < 299≤a<29, what is the value of ∣a−9∣+(a−29)2?|a-9|+\sqrt{(a-29)^2}?∣a−9∣+(a−29)2?
When −19≤x≤y≤4,-19\leq x\leq y\leq4,−19≤x≤y≤4, which of the following is equivalent to ∣x+19∣+∣x−y∣+∣y−4∣?\lvert x+19\rvert+\lvert x-y\rvert+\lvert y-4\rvert?∣x+19∣+∣x−y∣+∣y−4∣?
If −6≤x≤−4,-6\leq x\leq-4,−6≤x≤−4, what is the value of ∣2x+12∣+∣x+4∣+∣x−1∣?\lvert2x+12\rvert+\lvert x+4\rvert+\lvert x-1\rvert?∣2x+12∣+∣x+4∣+∣x−1∣?
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