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cum se rezolva : 5 x+9+3(2 x-1)=2 x+24


Răspuns :

5x+9+3(2x-1)=2x+24
5x+9+6x-3=2x+24
11x+6=2x+24
11x-2x=24-6
9x=18
x=18/9
x=2
5x+9+3(2z-1)=2x+24
5x+9+6x-3=2x+24
11x+6=2x+24
11x-2x=24-6
9x=18
x=18/2
x=9