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Verified answer
5x + 2y = 4 |×3| 15x + 6y = 122x + 3y = 27 |×2| 4x + 6y = 54
----------------------- (-)
11x = -42
x = -42/11
subtitusi
2x + 3y = 27
2(-42/11) + 3y = 27
3y = 297/11 + 84/11
y = 381/11 . (1/3)
y = 127/11