berapa hasil x + y + 3z = 5 jika x=2 dan y=3

x = 2.
y = 3.

maka 2 + 3 + 3z = 5.
3z = 5+3+2
3z = 10.
z = 10/3 atau 3 1/3.

X+y+3z = 5
2+3+3z=5
5+3z=5
3z=5-5
Z=0
Jadi, x+y+3z =2+3+3(0)= 5