Question

решите уравнение 5/7х9-3/14х9-1*1/5х9=-1

Answer 1

(5/7)x⁹-(3/14)x⁹-1_1/2x⁹=-1

(10/14)x⁹-(3/14)x⁹-(21/14)x⁹==1

-x⁹=-1

x⁹=1

x=1.