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3x + 4y = 37 | x2 | 6x + 8y = 74 -
y = 4
2x + 3y = 26
2x + 12 = 26
2x = 14
x = 7
5x + 2y = 35 + 8 = 43
3x + 4y = 37 |×2| 6x + 8y = 74
-------------------------------------------- -
y = 4
masukkan nilai y :
2x + 3.4 = 26
2x = 26 - 12
x = 14/2 = 7
nilai 5x + 2y = 5.7 + 2.4 = 35 + 8 = 43