5x + 2y = 11
3x + 2y = 9
------------------- -
2x = 2
x = 2/2
x = 1
5(1) + 2y = 11
5 + 2y = 11
2y = 11 - 5
2y = 6
y = 6/2
y = 3
jadi , penyelesaian sistem persamaan tersebut adalah {(1 , 3)}
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5x + 2y = 11
3x + 2y = 9
------------------- -
2x = 2
x = 2/2
x = 1
5x + 2y = 11
5(1) + 2y = 11
5 + 2y = 11
2y = 11 - 5
2y = 6
y = 6/2
y = 3
jadi , penyelesaian sistem persamaan tersebut adalah {(1 , 3)}