0,864-732-7+9x-853xy

To simplify the expression 0,864 - 732 - 7 + 9x - 853xy, let's break it down step by step:

Step 1: Combine like terms involving numbers only: 0,864 - 732 - 7 = -738.136

Step 2: Combine the terms involving variables: 9x - 853xy = x(9 - 853y)

Putting it all together, the simplified expression is: -738.136 + x(9 - 853y)