Ответ:
(х+3)/2-(5+х)/5=х+4
5(х+3)-2(5+х)=10(х+4)
5х+15-10-2х=10х+40
5х-2х-10х=40-15+10
-7х=35
х=-5
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Ответ:
(х+3)/2-(5+х)/5=х+4
5(х+3)-2(5+х)=10(х+4)
5х+15-10-2х=10х+40
5х-2х-10х=40-15+10
-7х=35
х=-5