Question

7,2x - 3,8x + 2,1x = 2,75;
13(2,7x - 6,08) = 96,46;
13,6 + 2,5(28,3 - 8,3x) = 42,85

Answer 1

Ответ:

7,2x - 3,8x + 2,1x = 5,5x

13(2,7x - 6,08) = -43,94x

13,6 + 2,5(28,3 - 8,3x) = 322x