Odpowiedź :
x=5/8+1/8[-2/3x*(-5)-1]
x=5/8+1/8[10/3x-1]
x=5/8+10/24x-1/8
x-10/24x=5/8-1/8
14/24x=4/8
14/24x=12/24
x=12/24*24/14
x=12/14
x=0,86
x=5/8+1/8[10/3x-1]
x=5/8+10/24x-1/8
x-10/24x=5/8-1/8
14/24x=4/8
14/24x=12/24
x=12/24*24/14
x=12/14
x=0,86