✨ Best Answer ✨
A 164
B 164-x
C 164+y
{164+(164-x)+(164+y)}÷3=161
492-x+y=483
（{}の中を計算し両辺に3をかけた）
x=y+9
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✨ Best Answer ✨
A 164
B 164-x
C 164+y
{164+(164-x)+(164+y)}÷3=161
492-x+y=483
（{}の中を計算し両辺に3をかけた）
x=y+9
Users viewing this question
are also looking at these questions 😉
ありがとうございます!