а) 7x+16=3x
б) 4y+y+8=23
в) 3x-2=-8-2x
г) (20-4x)-(11-2x)=-3
д) 2·(x-8)+2=5x+5
е) x/8-x/4=3
ж) x/8-x/4+x/2=1+x
Срочно
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