SOLUTION: I need to know what x equals in this equation x+0.5x=21

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Question 33301: I need to know what x equals in this equation
x+0.5x=21
Answer by sarah_adam(201) About Me  (Show Source):
You can put this solution on YOUR website!
x+0.5x=21
x(1+0.5) = 21
1.5x = 21
x = 21/1.5
x = 14