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REZOLVA:
(12X+24):12-5=1


Răspuns :

(12x+24):12=1+5
                 =6
12x+24=6x12
            =72
12x=72-24
12x=48
x=4
(12X+24):12-5=1
(12X+24):12=5+1
(12X+24):12=6
12X+24=6 x 12
12X+24=72
12X=72-24
12X=48
X=48:12
X=4