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Sa se afle x 5x-2+x=5x-1
2(x+3)=x+14
3(x+2)+3=2x+10


Răspuns :

2x+6=x+14=>x=8 3x+6+3=2x+10=>x=10-9=>x=1
2(x+3)=x+14
2x+6=x+14
2x-x=14-6
x=8

3(x+2)+3=2x+10
3x+6+3=2x+10
3x-2x=10-3-6
x=1