Допоможіть будь-ласка:

1)20-2x=27+x;

2)0.6x+100=0.9x+1;

3)3x=28-x;

4)5x+12=8x+30;

5)33+8x=-5x+72;

6)6x-19=-x-10;

7)0.7-0.2x=0.3x-1.8;

8)0.1+9=0.2=0.2x-4;

 

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