Question

 

 

a, Tìm y: y x 20 + 16 x y = 972

Answer 1

\(y.\left(20+16\right)=972\Leftrightarrow36y=972\Leftrightarrow y=27\)

Answer 2

Answer 3

y x (20+ 16) = 972 

y  x 36 = 972

y = 972 : 36

y = 27