Question

A number is doubled and 9 is added. If resultant is tripled, it becomes 75
that number is
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Answer 1

Answer:

$3(2x + 9) = 75 \\ 6x + 27 = 75 \\ 6x = 75 - 27 \\ 6x = 48 \\ x = 48 \div 6 \\ x = 6$

Step-by-step explanation:

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