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Vasyz90ellasp2phu0
a fost răspuns

rezolvati ecuatiile a)2x-5=15+12x

Răspuns :

2x-5=15+12x

2x-12x=5+15

-10x=20/×(-1)

10x=-20

x=-20:(-10)

x=2
Cool1235
2x-12x=15+5

-10x=20/•(-1)

10x=-20

x= -20:(10)

x= -2

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