| 1) (7x + 3) – (5x - 7) = (2x - 5) - (3x - 6); 2) 3(2x - 3) + 4(2 - 5x) = 7(2 – 3x) - 2(3x - 1);
3) (5x-1,6) +0,75-(3x +13) = 5 – 3x ;
4) 2. (3,5x – 4) – 3. (3x + 1) = 2 (7x-1,4).
3) (5x-1,6) +0,75-(3x +13) = 5 – 3x ;
4) 2. (3,5x – 4) – 3. (3x + 1) = 2 (7x-1,4).
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