Question

Nine added to twice a number a whole number gives 45. Find the number.​

Answer 1

Answer:

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Step-by-step explanation:

Let the unknown number be x then

$9 + 2x = 45 \\ = > 2x = 45 - 9 \\ = > 2x = 36 \\ = > x = \frac{36}{2} \\ = > x = 18$

so, the number is 18