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3y = 2x
x + 2x = 27
x = 9
y = 6
3y=2x
x+3y=27 |*2
-2x+3y=0
2x+6y=54
-2x+3y=0
9y=54 | :9
y=6
x+3y=27 x+3*6=27 x=27-18 x=9
y=6
x=9
3y=2x
x=27-3y
3y=2(27-3y)
x=27-3y
3y=54-6y
x=27-3y
3y+6y=54 /:9
x=27-3y
y=6
x=27-3*6
y=6
x=9
y=6
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