Question

please anser..
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Answer 1

Answer:

x = 3

Step-by-step explanation:

Answer 2

Answer:

$3 \frac{x}{5} + 4 \frac{1}{10} = 7 \frac{7}{10} \\ \\ \\ = > \frac{15 + x}{5} + \frac{41}{10} = \frac{77}{10} \\ \\ \\ = > \frac{15 + x}{5} = \frac{77}{10} - \frac{41}{10} \\ \\ \\ = > \frac{15 + x}{5} = \frac{36}{10} \\ \\ \\ = > \frac{15 + x}{1} = \frac{36}{2} \\ \\ \\ = 15 + x = 18 \\ \\ \\ = > x = 18 - 15 \\ \\ x = 3$

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