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Verified answer
3x+2y=7 kali 14x+y=11 kali 2
3x+2y=7
8x+2y=22
--------------- -
-5x=-15
x=3(C)
Verified answer
Jawab =3x+2y = 7
4x+y = 11
gunakan cara subtitusi atau eliminasi. namun saya pakai cara subtitusi, menjadi
3x+2y = 7
y = 11₋ 4x
kemudian,
3x+2(11 - 4x) = 7
3x+22 - 8x = 7
3x-8x = 7-22
-5x = -15
x = -15/-5
= 3
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