-6(0,5x-1,5)-4,5x-8 ,при х=2/3

Question

-6(0,5x-1,5)-4,5x-8 ,при х=2/3

Answer 1

-6(0,5х-1,5)-4,5х-8=-3+9х-4,5x-8=4,5x-11
При х=2/3
4,5*2/3-11=45/10*2/3-11=15/5-11=3-1=2