7x + 3y =2 (x7)
3x -7y =5 (x3)
49x + 21y =14
9x - 21y =15
____________ +
58x = 29
x = 0,5
distubtitusikan ke persamaan pertama :
7x +3y = 2
7(0.5) +3y =2
3,5 +3y =2
3y =2-3,5
3y = -1,5
y = -1,5 : 3
y = -0.5
himpunan penyelesaianny adalah (0.5,-0.5) / (5/10, - 5/10)
maaf kalo salah
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7x + 3y =2 (x7)
3x -7y =5 (x3)
49x + 21y =14
9x - 21y =15
____________ +
58x = 29
x = 0,5
distubtitusikan ke persamaan pertama :
7x +3y = 2
7(0.5) +3y =2
3,5 +3y =2
3y =2-3,5
3y = -1,5
y = -1,5 : 3
y = -0.5
himpunan penyelesaianny adalah (0.5,-0.5) / (5/10, - 5/10)
maaf kalo salah