David is rowing up a boat upstream. The river is flowing at a speed of 2 miles per hour. David starts rowing at a speed of 6 mil
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Answer:
Step-by-step explanation:
So we have the inequality:
Definition of Absolute Value:
Note that the sign is flipped in the second case because we multiplied by a negative.
Add 5 to both sides to both equations:
Merge:
And we're done!