SOLUTION: i dont understand this problem {{{9x+4=5x+7}}}

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Question 444405: i dont understand this problem 9x%2B4=5x%2B7
Answer by chriswen(106) About Me  (Show Source):
You can put this solution on YOUR website!
9x%2B4=5x%2B7
9x%2B4-5x=5x%2B7-5x ... -5x from both sides
4x%2B4=7
4x%2B4-4=7-4 ... -4 from both sides
4x=3
4x%2F4=3%2F4 ... /4 each side
x=3%2F4