Question

equação pfv x+5/2=8+2/5x​

Answer 1

$\frac{x + 5}{2} = \frac{8 + 2}{5x} \\ \\ \frac{x + 5}{2} = \: \frac{10}{5x} \\ \\ 5x.(x + 5) = 20 \\5x + 25x = 20 \\ 30x = 20 \\ \\x = \frac{20 \div 10}{30 \div 10} \\ \\ x = \frac{2}{3}$

Resposta: ⅔

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