Step-by-step explanation:

Here is your answer

Given

x - y = 72x−y=72

x \div y = 4x÷y=4

from above equation we can consider that

x = 4y \: \: \: transfering \: yx=4ytransferingy

then

\begin{gathered}4y - y = 72 \\ \\ 3y = 72\end{gathered}

4y−y=72

3y=72

y = 72/3 = 24

Answer:

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