Question

Suma a trei nr naturale consecutive este 54. Aflati numerele

Answer 1

$x\\x+1\\x+2\\*****\\3x+3=54\\3x=54-3\\3x=51\\x=51:3\\\boxed{x=17}$

$x=17\\x+1=18\\x+2=19$

Answer 2

n + n+ 1 + n+ 2 = 54 
3n = 51 
n = 17 
numerele 17 ,18 ,19