SOLUTION: Thirty more than nine times a number is a number quadrupled

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Question 733065: Thirty more than nine times a number is a number quadrupled
Answer by MathLover1(20849) About Me  (Show Source):
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let number be x
if you have: thirty more than nine times a number is a number quadrupled, then you have
9x%2B30=4x....solve for x
9x-4x=-30
5x=-30
x=-30%2F5
x=-6