ax+x=6
2x-ax=6 a=x/6
2x-x/6✕x=6
2x-x²/6=6
-x²+12x-6=0
x²-12x+6=0
(x-6)²=30
x+6=±√30
x=±√30-6
Mathematics
Junior High
この問題が分かりません。ちなみに答えはa=2分の1です。🙇
ax+y=6
(2) 連立方程式
の解 x,yの値が等しいとき,aの値を求めなさい。
2x-ay=6
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