Найдите корень уравнений:
5.86+x+6.13=35.2

x-(5.7-0.8)=21

(29-4.7)+x=26.5

(44.4+77.7)-x=98

5.86+x+6.13=35.211,99+х=35,2х=35,2-11,99х=23,21x-(5.7-0.8)=21х-4,9=21х=21+4,9х=25,9(29-4.7)+x=26.524,3+х=26,5х=26,5-24,3х=2,2(44.4+77.7)-x=98122,1-х=98х=122,1-98х=24,1