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x - y = 4 -
----------------
2y = 6
y = 6:2
y = 3
x + y = 10
x - y = 4 +
-----------------
2x = 14
x = 14:2
x = 7
HP = {(7,3)}
x-y=4
-------------kedua ruas dieliminasi dan tambahkan
2x=14
x=14/2
=7
x+y=10
y=10-7
=3
jadi,penyelesaian nya adalah{x,y}={7,3}
mohon jadikan jawaban terbaik