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(6×5+4×j-8):6=28:4 va rog ajutati-ma



Răspuns :

( 6x5+4xj-8):6=28:4
(6X5+4Xj-8):6=7
6x5+4xj-8=7x6
6x5+4xj-8=42
30+ 4xj = 42+8
30+4xj=50
4xj=50-30
4xj=20
j=20:4
j=5  
Sper ca te-am ajutat!