Question

найдите сумму корней уравнения

Answer 1

$|8x-1|=8,8 \ left { {{8x-1=8,8} atop {8x-1=-8,8}} right. left { {{8x=9,8} atop {8x=-7,8}} right. left { {{x_1=1 frac{9}{40} } atop {x_2= -frac{39}{40} }} right. \ x_1+x_2 = 1frac{9}{40} - frac{39}{40} = frac{10}{40} = frac{1}{4}$