А)15*(х-з)=0 б)15*(у+2)=45
в)2*(х-2)+3=0
г)(3х+2) (х-1)=0
д)(9,2-у) (2у-1)=0
е)4*(х+1)-3=16
ж)3х-6,5=7х-3,5
з)
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