(dlm eliminasi) 4x - 3y = -12 -2x + 7y = -14
Matematika
starowls
Pertanyaan
(dlm eliminasi)
4x - 3y = -12
-2x + 7y = -14
4x - 3y = -12
-2x + 7y = -14
1 Jawaban
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1. Jawaban itsnkaa
4x-3y= -12 ---> ×1
2x+7y=-14 ---> ×2
jadi
4x-3y= -12
4x+7y= -14
---------------- -
-10y = 2
-y = 2/10
y = -2/10 atau -1/5