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Rezolvati in Q ecuatiile
7x-1=6; -6+2x=3,2;


Răspuns :

7x-1=6
7x=6+1
7x=7
x=1



-6+2x=3,2
2x=3,2+6
2x=9,2
x=9,2:2
x=4,6

7x=7
x=7:7
x=1

2x=3,2+6
2x=9.2
x=4.6