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(100-x÷75)×35+1=876 determinați nr x

Răspuns :

(100-x÷75)×35+1=876 / -1

(100-x÷75)×35=875 / :35

(100-x÷75)=25 / ori 75

100-x =1875 / +100

x= 1975


x=[(876-1):35]=25
x=100-25=75
x=75