30 БАЛЛОВ
РЕШИТЕ уравнения
1)5х+50=0
2)32-5x=6
3)-x+6=14+3x
4)1.3x-4=2.6x+9
5)3(x+1)-9=6 (х+2)
6)5(х-1)-3(x+2)=-5х
заранее спасибо
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