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OpenStudy (anonymous):
if the sum of a number and nine is doubled, the result is four less than the number. Find the number.
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OpenStudy (midhun.madhu1987):
WELCOME TO OPENSTUDY Let the number be x. Then, (x+9) x 2 = x - 4 find x.
OpenStudy (brooke2353):
2(x+2)= 3x-6 2x+4= 3x-6 x=10
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