SOLUTION: The difference when 7 less than a number is subtracted from twice the number is 12. What is the number

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Question 130895: The difference when 7 less than a number is subtracted from twice the number is 12. What is the number
Answer by dddiwakar_2004(2) About Me  (Show Source):
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solution -
let the number be x
according to the condition
2x-(x-7)= 12
2x-x+7=12
x+7=12

x+7-7=12-7
x=5
therefore the required number is 5