Question

решите уравнение (80 + 16*(4х + 154)): 48= 55

Answer 1

(80+16*(4х+154)):48=55
80+16(4х+154)=55*48
80+16(4х+154)=2640
16(4х+154)=2640-80
16(4х+154)=2560
4х+154=2560:16
4х+154=160
4х=160-154
4х=6
х=6:4
х=1,5(или х =$1frac{1}{2}$)
Ответ: х = 1,5