81y -38y=65 решите пожл

Question

81y -38y=65 решите пожл

Answer 1

81y - 38y = 65
43y = 65
y = 1 ( 22/43 ) 

Answer 2

81у-38у=65
43у=65
у=65/43
y=1.51162791
y=1 22/43