𝑦1.5+5.75=10.55
y1.5+5.75=10.552𝑦3+3⋅5.753=10.55X=7,2\(y:1,5+5,75=10,55\)
\(\Leftrightarrow y:1,5=10,55-5,75\)
\(\Leftrightarrow y:1,5=4,8\)
\(\Leftrightarrow y=4,8\times1,5\)
\(\Leftrightarrow y=7,2\)
y : \(1,5\) =\(10,55-5,75\)
y : \(1,5\)= \(4,8\)
y = \(4,8\times1,5\)
y = \(7,2\)