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3x + 5y = 37 Ix2I 6X +10Y = 74
5x - 2y = 10 IX5I 25x - 10y = 50
+
31x = 124
x = 124/31
x = 4
substitusi :
5x - 2y = 10
5(4) - 2y = 10
20 - 2y = 10
-2y = 10 - 20
-2y = -10
y = -10/-2
y = 5
jadi, x=4 dan y=5