SOLUTION: twice the sum of a number and 9 is the same as four times the difference obtained when 6 is subtracted from the number. what is the number?
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Question 703732: twice the sum of a number and 9 is the same as four times the difference obtained when 6 is subtracted from the number. what is the number?
Answer by rfer(16322) (Show Source): You can put this solution on YOUR website!
2(x+9)=4(x-6)
2x+18=4x-24
-2x=-24-18
-2x=-42
x=-42/-2
x=21
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