Question

-0.08(х+5)-1.3(2-5х)=-6.2 пж помогите быстрее даю 70 бал

Answer 1

Ответ:

-0.08(х+5)-1.3(2-5х)=-6.5=-0.08х-0.4-2.6+6.5х=-6.2=6.42х-3=-6.2=6.42х=-6.2+3=6.42х=-3.2=х=-160/321