the teacher said I have thought of a number. if you add 7 to 3 times the number you get 31. what number have I thought of .can you answer the teachers question?
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Let the number thought by the teacher be x
3x+7=31
3x=31-7
3x=24
x=24/3
x=8
therefore, the number thought by the teacher is 8
3x+7=31
3x=31-7
3x=24
x=24/3
x=8
therefore, the number thought by the teacher is 8
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