Tolong jawab no 53 dan 54 ya

53.
3 bilangan berurutan, x, y, & z,
x = n , y = n+1 , z = n+2
jumlah = 18
x + y + z = 18
n + n+1 + n+2 = 18
3n + 3 = 18
3n = 18 - 3
3n = 15
n = 15 / 3
n = 5
jadi,
x = 5
y = 5+1 = 6
z = 5+2 = 7
udah :v