Translate each pharse or sentence into a mathematical expression or equation.
1.) A number minus 20 is 15
2.) The product of 7 and number is 14
3.) Six times a number, less 11 is 15
4.) 10 less than twice a number is 0
5.) A number r increased by ten is twenty-two
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Answer:
1. x - 20 = 15
2. 7x = 14
3. 6x - 11 = 15
4. 10 - 2x = 0
5. r + 10 = 22