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The sum of x and 9 is divided by 2. That quantity is equal to 3x
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The sum of x and 9 is divided by 2. That quantity is equal to 3x

User CABascourt
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(x+9)/2 = 3x
x + 9 = 3x * 2
x + 9 = 6x
9 = 6x - x
9 = 5x
x = 9/5 = 1.8
User Kfir Dadosh
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7.4k points
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