SOLUTION: 2x - 9 = 12

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Question 54710: 2x - 9 = 12
Answer by rchill(405) About Me  (Show Source):
You can put this solution on YOUR website!
Add 9 to both sides to get 2x-9%2B9=12%2B9 which reduces to 2x=21. Now divide both sides by 2 to get x=21%2F2.