Tìm x , biết: a) x + 1/ − 5 = 1/10 .
Giải thích
a) \(x + \frac{1}{{ - 5}} = \frac{1}{{10}}\)
\(x = \frac{1}{{10}} - \frac{1}{{ - 5}}\)
\(x = \frac{1}{{10}} + \frac{2}{{10}}\)
\(x = \frac{3}{{10}}.\)
Vậy \(x = \frac{3}{{10}}.\)
a) \(x + \frac{1}{{ - 5}} = \frac{1}{{10}}\)
\(x = \frac{1}{{10}} - \frac{1}{{ - 5}}\)
\(x = \frac{1}{{10}} + \frac{2}{{10}}\)
\(x = \frac{3}{{10}}.\)
Vậy \(x = \frac{3}{{10}}.\)