Question

Решите уравнение (7.85х-12.4х)*(-100/91)=35/12-5/3

Answer 1

-4,55x*(-100/91)=455x/91=5x;  5x=35/12-5/3; 35/12 -20/12=15/12=4/3

 

5x=4/3

 

x=(4/3)/5

x=4/15.