Mathematics
Junior High
何故こうなるのか、どうやったらこのような間違いをしたのかが分かりません( ; ; )
61) 9-2X=17
9+17=2x
2x=9+17
2x=36
x=18
Date
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(9) 9-2x = 17
2移項
- 2X=17-92 140 1
-2x = 8x = -4
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符号間違いですか😖ありがとうございます!