(х+1)/3 - (1-3х)/5 = 2
(5х+5)/15 - (3-9х)/15 = 2
(5х+5) - (3-9х) = 30
5х + 5 - 3 + 9х = 30
14х = 28
х = 2
(х+1)/3 - (1-3х)/5 = 2
(5х+5)/15 - (3-9х)/15 = 2
(5х+5) - (3-9х) = 30
5х + 5 - 3 + 9х = 30
14х = 28
х = 2