1) 12-2x+3x-7=29
2) 4x+(15-3x)-12=26
3) 23-x+1=11
4) 27-(x-3)+12=10
5) 2x-4-13-x=47
6) (21+x)-34=11
7) 19+(13-7x+8x)=59
       Решите уравнения

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