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Scrieti doua ecuatii care admit solutia 2 .Va rog ajutatima

Răspuns :

a•6+3-1=14 => a•6+2=14; a•6=14-2; a•6=12 a=12:6=2 b) x*5+9 =1=> 5x=1+9; 5x= 10 ; x=2