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2x - 3y = 19 <<<<x2
4x - y = 13
4x - 6y = 38 <<<<eliminasi
5y = -25
y = -5
2x-3y = 19 x2
------------------------------
4x-y =13 nilai x mati, shingga tnggal nilai y
4x-6y =38
---------------- -
5y = -25
-25
y = -----
5
y= -5
jadi nilai y yg mmnuhi spldv diatas adalah -5