[x/3=1+y/2 5x-6=5/6+7y

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[x/3=1+y/2 5x-6=5/6+7y

[x/3=1+y/2 5x-6=5/6+7y
[x/3=1+y/2 5x-6=5/6+7y

[x/3=1+y/2 5x-6=5/6+7y
两道题吗?