Question

find a number whose double is 27 greater than its half​

Answer 1

Answer:

Hi friends the answer is..

2x = x/2 + 27

==> 2x - x/2 = 27

<==> (3x)/2 = 27

==> 3x = 54

==> x = 54/3 = 18, the unknown number.

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Answer 2

Answer:

18

Step-by-step explanation:

Let the number be x

$2x = \frac{x}{2} + 27 \\ \\ 2x - \frac{x}{2} = 27 \\ \\ \frac{2x \times 2}{1 \times 2} - \frac{x}{2} = 27 \\ \\ \frac{4x}{2} - \frac{x}{2} = 27 \\ \\ \frac{3x}{2 } = 27 \\ \\ 3x =27 \times 2 \\ \\ 3x = 54 \\ \\ x = \frac{54}{3 } \\ \\ x = 18$