SOLUTION: three times the difference between four times a number and seven is fifteen
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Question 279146: three times the difference between four times a number and seven is fifteen
Answer by mananth(16946) (Show Source): You can put this solution on YOUR website!
three times the difference between four times a number and seven is fifteen
Let the number be x
4 times a number = 4x
difference between 7 and 4x = 4x-7
3 times this = 15
3(4x-7)=15
12x-21=15
12x=36
x=3
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