Ответ:
(13/5x-¼)+7/5=7/2
13/5x+23/20=7/2|*20
52x+23=70
52x=70-23
52x=47
x=47/52
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Ответ:
(13/5x-¼)+7/5=7/2
13/5x+23/20=7/2|*20
52x+23=70
52x=70-23
52x=47
x=47/52