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3x - 5y = 19 | x 2|6x - 10y = 38
----------------------- -
-5x = -15
x = -15/-5
= 3
3 - 10y = 23
-10y = 23-3
-10y = 20
y = 20/-10
= -2
Semoga membantu, jadikan terbaik ya !