Question

решите уравнение y+2/5=1/2

Answer 1

У=1/2-2/5
У=(5*1-2*2)/10
У=1/10

Answer 2

$y+ frac{2}{5} = frac{1}{2 } \ \ y= frac{1}{2} - frac{2}{5} \ \ y= frac{5}{10} - frac{4}{10} \ \ y= frac{1}{10}$