SOLUTION: twice the number is added to the number and the answer is 90 find the number

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Question 764110: twice the number is added to the number and the answer is 90 find the number
Answer by Tatiana_Stebko(1539) About Me  (Show Source):
You can put this solution on YOUR website!
Let x is the number
2x%2Bx=90
3x=90
x=90%2F3
x=30