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x+1
x+2
x/2+(x+2)/3=19
(3x+2x+4)/6=19
(5x+4)/6=19
(5x+4)=19*6
(5x+4)=114
5x=114-4
5x=110
x=110/5
x=22
ojala kt ayude y km entiendas:)