6 (8x+5) = 0

6 (8x+5=-6

-8 (2x-0,5) = 0

-8 (2x-0,5) = - 8

1) 6 (8x+5) = 0

48 х+30=0

48 х=-30

х = - 30/48 = - 15/24 = - 5/8 = - 0,625

2) 6 (8x+5) = - 6

48 х+30=-6

48 х=-36

х = - 36/48 = - 6/8 = - 3/4 = - 0,75

3) - 8 (2x-0,5) = 0

-16 х+4=0

-16 х=-4

х = 4/16=1/4=0,25

4) - 8 (2x-0,5) = - 8

-16 х+4=-8

-16 х=-12

х=12/16=3/4=0,75