Jawaban:
persamaan diatas disederhanakan dan dieliminasi sbb :
2x - 3y = -1
2x - 5y = -7
----------------- --
2y = 6
y = 3
substitusi y = 3 ke persamaan 2x - 3y sbb :
2x - 3(3) = -1
2x - 9 = -1
2x = -1 + 9
2x = 8
x = 4
diperoleh nilai x = 4 dan nilai y = 3
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Jawaban:
persamaan diatas disederhanakan dan dieliminasi sbb :
2x - 3y = -1
2x - 5y = -7
----------------- --
2y = 6
y = 3
substitusi y = 3 ke persamaan 2x - 3y sbb :
2x - 3y = -1
2x - 3(3) = -1
2x - 9 = -1
2x = -1 + 9
2x = 8
x = 4
diperoleh nilai x = 4 dan nilai y = 3