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Rezolva ecuatia 2(x+3)+17=59


Răspuns :

2x+6+17=59
2x+23=56
2x=36
x=36:2 ;x=18
2(x+3) +17 = 59
2x+ 6 + 17= 59
2x+ 23= 59
2x= 59 - 23
2x= 36
x= 36 supra 2
x= 18