Question

решите уравнение |2x-7|=0,5(x-8)​

Answer 1

|2x-7|=0,5(x-8)
|2x-7|=0,5x-4
|2x-7|-0,5x=-4
2x-7-0,5x=-4, 2x-7 ≥0
-(2x-7)-0,5x=-4, 2x-7<0
x=2, x ≥7/2
x=4,4, x<7,2
xЄ Ø