Mathematics
Junior High
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この問題の答え何回やっても、26y=65になるのですが、解き方間違っているのでしょうか?
(8)
x-5y=-11
4x+6y=21
4 x = 54-11
415y-11)+1y-21
f
294-49+04=21
264=65
y=
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