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rezolvati :
2, 7 · 5, 3 - 1 , 3 · x egal 11, 97
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Răspuns :

Am gresit in poza. 2,7*5,3-1,3*x=11,97 <=> 14,31-1,3*x=11,97 <=> 14,31-11,97=1,3*x <=> 2,34=1,3*x <=> 2,34/1,3=x <=> 1,8=x
Vezi imaginea Andy698
Killa
2,5×5,3-1,3×x=11,97
13,25-1,3x=11,97
-1,3x= 11,97-13,25
-1,3x= -1,28/×(-1)
1,3x= 1,28
x= 1,28/1,3

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