-6(0,5х-1,5)-4,5х-8 помогите

Question

-6(0,5х-1,5)-4,5х-8 помогите

Answer 1

-6(0,5х-1,5)-4,5х-8 = 0;-3х+9-4,5х-8 = 0;-7,5х + 1 = 0;-7,5х = - 1;
7,5х = 1;
х = 1/7,5;
х = 10/75;
х = 2/15