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Sa se rezolve in N ecuatia 3* ( 5x +2 ) = 5 (x+6)+26

Răspuns :

15x+6=5x+30+26
15x-5x=26+30-6
10x=50
x=5
[tex]\displaystyle 3(5x+2)=5(x+6)+26 \\ 15x+6=5x+30+26 \\ 15x-5x=30+26-6 \\ 10x=50 \\ x= \frac{50}{10} \\ x=5[/tex]