Question

(100-x:76)*35+1=876 [(100+x):75-1)]*35=875​

Answer 1

Răspuns:

(100-x:76)·35+1=876-1

(100-x:76)·35=875

100-x:76=875:35

100-x:76=25

x:76=100-25

x:76=75 =>x=75·76=>x=5700

___________

[(100+x):75-1]=875:35

[(100+x):75-1]=25

(100+x):75=26

100+x=75·26

100+x=1950

x=1950-100=>x=1850