Question

решите уравнение !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!срочно.

Answer 1

2³*х+3²*х=85
8*х+9*х=85
17*х=85
х=85/17
х=5
10³*х-8²*х=36036
1000*х-64*х=36036
936*х=36036
х=36036/936
х=38,5