Nilai x yang memenuhi SPLTVx +y +z = 2, y + 3z = 5, 4z = 8​

Jawaban:

4z=8

z=2

y+3z=5

y+3.2=5

y=5-6

y=-1

x+y+z=2

x-1+2=2

x=2-2+1

x=1