y x (1,23+1,02)=5,4
y x 2,25=5,4
y=5,4:2,25
y=2,4
\(1,23\times y+1,02\times y=5,4\)
\(y\times\left(1,23+1,02\right)=5,4\)
\(y\times2,25=5,4\)
\(y=5,4:2,25\)
\(y=2,4\)
Vậy y = 2,4
Trả lời
1,23.y+1,02.y=5,4
y(1,23+1,02)=5,4
y.2,25 =5,4
=>y =5,4:2,25
=>y =2,4