SOLUTION: What is: x + three sevenths = four fifths?

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Question 339959: What is: x + three sevenths = four fifths?
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
x%2B3%2F7=4%2F5
Use a common denominator,5%2A7=35
35x%2B15=28
Now solve for x.