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A 15​-foot board is cut into two pieces. If one piece is x feet​ long, express the other length in terms of x.

User Rockettc
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2 Answers

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Answer: 5-x

Explanation:

User DustByte
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Answer: 15-x

The expressions x and 15-x add back up to 15.

An example: Let x = 7 which means the remaining piece is 15-x = 15-7 = 8 feet long.

User PfhorSlayer
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