ini SPLDV metode eliminasi 4x +3y= 24 dan 3x + 4y - 25 =0
Matematika
fahri2015
Pertanyaan
ini SPLDV metode eliminasi 4x +3y= 24 dan 3x + 4y - 25 =0
1 Jawaban
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1. Jawaban ayudevitaa
4x + 3y = 24 (dikali 3 )
3x + 4y = 25 (dikali 4 )
12x + 9y = 72
12x + 16y = 100 _
-7y = -28
y = 4
4x + 3y = 24
4x + 3 (4) = 24
4x + 12 = 24
4x = 24 - 12
4x = 12
x = 3