Mathematics
Junior High
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3 [A=B=Cの形の連立方程式」 連立方程式 Zx+y=3x-y-x+2y+トを解
2x ty - 3x ty tx
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{ 2x+y=x+2x² + 1² = 2y = 1
3x - y = x + 2y +1
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