Răspuns:
x=5700
Explicație pas cu pas:
(100-x:76)×35+1=876
(100-x:76)×35=876-1
(100-x:76)×35=875
100-x:76=875:35
100-x:76=25
-x:76=25-100
-x:76=-75
inmultim toata ecuatia cu -1 si obtinem ecuatia
x:76=75
x=75×76
x=5700
verificare:
(100-5700:76)×35+1=(100-75)×35+1=25×35+1=875+1=876
