下の式にx=y-10を代入
105(y-10)-96y=300
35(y-10)-32y=100 ←両辺に×1/3
35y-350-32y=100
3y=450
y=150
上の式にy=150を代入
x=150-10
x=140
A.x=140, y=150
Answers
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下の式にx=y-10を代入
105(y-10)-96y=300
35(y-10)-32y=100 ←両辺に×1/3
35y-350-32y=100
3y=450
y=150
上の式にy=150を代入
x=150-10
x=140
A.x=140, y=150