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x=3y+5
maka,
3x+2y-4=0
3(3y+5)+2y-4=0
9y+15+2y-4=0
9y+2y=4-15
11y=-11
y=-1
nilai y=-1 maka,
x=3y+5
x=3(-1)+5
x=-3+5
x=2
Jadi nilai (x,y) adl (2,-1) B