Mathematics
Junior High
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連立方程式を解く問題で、自分で解いてみると約分できない分数になってしまい進めないので誰か正しい解き方を教えてください…!
3x+4y=7
1/1/2x-12/21y=-212
3X44Y=7
4x-3y=24
3
2x+167=28
-)12X(-97²-81
2513/09 (6)
Y = 1/2
(2) (答) x=
109
25
₂y=
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わわ…わざわざ写真まで…!!
ありがとうございます…理解できました!!