It's math and it's pretty hard
asked Oct 11, 2017 in Pre-Algebra Answers by J

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1 Answer

2x+x is 3x and 9+9 is 18 so 3x=18 and x is 18 divided by 3 which is 6.
answered Oct 12, 2017 by Rod Top Rated User (546,340 points)

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