Question

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Answer 1

Espero haberte ayudado ;)

Answer 2

$\frac{x+3}{2} = \frac{5(x+3)}{10} \\\\\\\frac{10}{5} = \frac{20}{10} \\\\\\6 = \frac{60}{10} \\\\\\\frac{5(x+3}{10} + \frac{20}{10} = \frac{60}{10} \\\\5(x+3) + 20 = 60\\5 (x+3) = 40\\x+3 = 8\\x= 5$