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5x + y = 7 |x2| 10x + 2y = 14
Jadi : 13x = 26
x = 26/13 = 2
3x - 2y = 12
3(2) - 2y = 12
6 - 2y = 12
2y = 12-6 = 6
y = 6/2 = 3
Jadi : 4p + 3q = 4x + 3q
4(2) + 3(3)
8 + 9 = 17