Question: Write each phrase as a variable expression. Use x to represent a number. See Example 8. 1. The quotient of twenty and a number, decreased

Write each phrase as a variable expression. Use x to represent "a number." See Example 8.
1. The quotient of twenty and a number, decreased by three
2. The difference of twice a number, and four
3. Twelve subtracted from a number
4. The sum of a number and 7
5. The product of a number and 7

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