1) 5x+4/4=4x+5/5
5x-4x=5/5-4/4
x=1-1
x=0
Ответ: 0
2) 6x-5/7=5x-6/6
6x-5x=5/7-6/6
x=5/7-1
x=2/7
Ответ:2/7
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Answers & Comments
1) 5x+4/4=4x+5/5
5x-4x=5/5-4/4
x=1-1
x=0
Ответ: 0
2) 6x-5/7=5x-6/6
6x-5x=5/7-6/6
x=5/7-1
x=2/7
Ответ:2/7
x=0
6x-5x=12/42
x=2/7