X+0,75+5/8=2,125 помогите
5/8=0.625 x+0.75+0.625=2.125 x=2.125-0.75-0.625 x=0.75
5/8 * 125 = 625/1000 = 0,625 Х + 0.75 + 0.625=2.125 Х = 2.125 -0.75 -0.625 Х = 2.125 - 1.375 Х = 0.75 Ответ: 0.75