Question

afla trei nr consecutive stiind ca suma lor este 15 cu rezolvare va rog

Answer 1

$x+y+z=15 \\ y=x+1 \\ z=y+1=x+2 \\ x+x+1+x+2=15 \\ 3x+3=15 \\ 3x=15-3 \\ 3x=12 \\ x=12:3 \\ \boxed{x=4} \\ y=x+1=4+1 \\ \boxed{y=5} \\ z=y+1=5+1 \\ \boxed{z=6}$