👤

35:(×+1)=7 afla necunoscuta

Răspuns :

35 : ( x + 1 ) = 7

x + 1 = 35 : 7

x + 1 = 5

x = 5 - 1

x = 4
35 : (x+1) = 7
35 = 7*(x+1
35 = 7x+7
28 = 7x
  4 = x