1) 10,4у – ((4у +5) – (7 -6у )) = 155;

Елена в категроии Математика, вопрос открыт 09.09.2018 в 14:29

2) 12х – [ - 21x – ( 14 + 12x)] + 7x = - 90;
3) 32x – [ -14x +1 – 5x – ( - 26x)] = - 6;
4) 11x – [ - ( 8x – 5) – ( 3x + 1)] = - 26;
5) 27x – [ - ( x – 9) – (2x +11)] = 27;
6) 5x – [ -3,9 – ( 1,1x – 9) + 7,3] = 18,7;
7) 32x – [(8 – 13x) – (9 – 2x)] = - 45;
8) 49x – [(5x – 6) – (11 – 8x)] = 32;

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