Dari sistem persamaan y-2x=-3 dan 4y+7x=3, tentukan himpunan penyelesaiannya!
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Cara eliminasiy-2x = -3 (dikali 4)
4y+7x = 3 (dikali 1)
4y-8x = -12
4y+7x = 3 –
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-15x = -15
x = 1
y - 2x = -3
y - 2(1) = -3
y - 2 = -3
y = -3 +2
y = -1
x = 1
y = -1