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The suare root of 9x plus 7 plus the square rot of 2x equall to 7
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Huong is organizing paperback and hardback books for her club's used book sale. the number of paperbacks is 12 less than three times the number of hardbacks. huong had 162 paperbacks. how many hardback books were there?
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4ten thousands 8 hundreds divided by 10...
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