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Verified answer
Cari titik potong3x + 4y = 46 (x2)
2x + 5y = 47 (x3)
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6x + 8y = 92
6x + 15y = 141
-------------------------- -
-7y = -49
y = 7
2x + 5y = 47
2x + 5(7) =47
2x + 35 = 47
2x = 47 - 35
2x = 12
x = 6
titik potong (6, 7) ------> opsi C