Question

x-3 supra 6=54 supra 18; aflati x apartine numerelor naturale.

Answer 1

x-3= 6×54 supra 18
x-3=18
x=18+3
x=21

Answer 2

[tex]\frac{x-3}{6}=\frac{54}{18}\\ \text{Inmultim pe diagonala:}\\ 18(x-3)=6\cdot 54\\ 18x-54=324\\ 18x=378\\ \bold{\boxed{x=21}}\\ S:x=21[/tex]