100 баллов.Решите уравнение
1) 2(3x-8)=-13+3(4x-9)
2) 2(x-2)=3+3(1-x)
3) 2(7-2x)=23+3(6-x)
4) 9-(4+x)=5(x+1)
5) 374-(237-x)=296
6) 1-5(2x+7)=4
7) -3(x-10+2x=5(x-7)-12
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