Ответ
3) a) 3x= 16-x
3x+x=16
4x=16
x=16÷4=4
в) (3х-1)-(5х-3)=-2
3х-1-5х+3х+2=0
х+1=0
х=-1
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Answers & Comments
Ответ
3) a) 3x= 16-x
3x+x=16
4x=16
x=16÷4=4
в) (3х-1)-(5х-3)=-2
3х-1-5х+3х+2=0
х+1=0
х=-1