Question

$\frac{x + (x + 1) + (x + 2)}{3 } = 13$
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Answer 1

Answer:

$\frac{x + (x + 1) + (x + 2)}{3} = 13 \\ \\ \frac{3x + 3}{3} = 13 \\ \\ 3x + 3 = 13 \times 3 \\ \\ 3x + 3 = 39 \\ \\ 3x = 39 - 3 \\ \\ 3x = 36 \\ \\ x = \frac{36}{3} \\ \\ x = 12$

Answer 2

$\frac{x + (x + 1) + (x + 2)}{3} = 13 \\ \\ = > \frac{3x + 3}{3} = 13 \\ \\ = > \frac{3(x + 1)}{3} = 13 \\ \\ = > x + 1 = 13 \\ \\ = > x = 12$

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