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3x+6y=24
keduanya dieliminasi sehingga
0-y=1 '
y= -1
3x+5(-1)=25
3x=30
x = 6
3x+6y=24
--------------- _ di kurang
hasil
0-y=1
y=-1
maka 3x+5y = 25
3x+5(-1)=25
3x + (-5) =25
3x = 25+5
3x=30
x=10