Question

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$2( \frac{x}{4} + 1) = \frac{1}{5}$
responder

Answer 1

$2( \frac{x}{4} +1)= \frac{1}{5} \\ \\ \frac{2x}{4} +2= \frac{1}{5} \\ \\ mmc(4,5)=20 \\ \\ 10x+40=4 \\ \\ 10x=4-40 \\ \\ 10x=-36 \\ \\ x=- \frac{36}{10} ~~simplificando~~ \frac{36:2}{10:2} = \frac{18}{5} \\ \\ x=- \frac{18}{5} \\ \\ S=\{- \frac{18}{5} \}$