SOLUTION: when 3 times a number is subtracted from 7 times the number,the result is 40.what is the number?

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Question 415905: when 3 times a number is subtracted from 7 times the number,the result is 40.what is the number?
Answer by sudhanshu_kmr(1152) About Me  (Show Source):
You can put this solution on YOUR website!

7x - 3x = 40
=> 4x =40
=> x = 10

it is 10.