1) 5x = 7,25;


2) –12x = 0,96;


3) 0,7x – 8 = 20;


4) 3 · (x – 5,4) = 18;


5) 35 = 7(–4x + 3x);


6) 0,5x – 8 = 20;7) –5,4 – 2x = –4,6;


8) 7x + 2,1 = –4,9;


9) 12 – 4x + 16 = 28;


10) –6,2x – 12 – 2,8x = 6;


11) –3(0,5x – 25) = 0;


12) 3(2x + 13) – 6x = 0.
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