Mathematics
Junior High
こうゆう複雑な連立方程式の解き方でコツとかあるんですか？あったら、教えて欲しいです！
よろしくお願いします🙏
4 次の連立方程式を解きなさい。
[15x+29y = -28
口(2)
(14.c+27y =-29
「19r-14y= 205
口(1)
l18r-13y= 195
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