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spin [16.1K]
3 years ago
6

Solve for x: −3|2x + 6| = −12

Mathematics
1 answer:
spayn [35]3 years ago
8 0

Start with

-3|2x+6|=-12

Divide both sides by -3

|2x+6|=4

If the absolute value of a number is 4, that number can either be 4 or -4: we have the two solutions

2x+6=4 \iff 2x=-2 \iff x=-1

2x+6=-4 \iff 2x=-10 \iff x=-5

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16 dimes

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He already has 7, and got 9 more, so we can add 7 and 9

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I have 50 to spend at beach. A kayak cost 5 per hour to rent. I buy lunch for 8.50. I want to save 15 for food later. How many h
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Answer: you can rent the kayak for 5.3 hours

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Total amount of money that you have to spend at the beach is 50.

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