Question

решите уравнения y+8/18=9/13+4/13

Answer 1

$y+ \frac{8}{18} = \frac{9}{13} + \frac{4}{13} = \frac{13}{13} =1= \frac{18}{18} \\ y= \frac{18}{18} - \frac{8}{18} \\ \boxed{y= \boxed{\frac{10}{18} = \boxed{\frac{5}{9} }}}$

Answer 2

у+8/18=9/13+4/13
у+8/18=13/13=1
у=1-8/18
у=10/18=5/9