SPLDV 3y=4x+7 dan 9x-6y+8=0
Matematika
bertuamanurungp431yy
Pertanyaan
SPLDV 3y=4x+7 dan 9x-6y+8=0
1 Jawaban
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1. Jawaban naidhaf
4x-3y = -7 (x2)
9x-6y = -8
8x-6y = -14
9x-6y = -8
---------------------- -
-x = -6
x = 6
3y = 4x+7
3y = 4.6 +7
3y = 24 + 7
3y = 31
y = 31/3