Penjelasan:
x=anggur
y=salak
x=3y => x-3y=0
2x+5y=38500
ELIMINASI
2x+5y=38500 ×1
x - 3y=0 ×2
2x-6y=0
____________-
11y=38500
y=38500:11
y=3500 (SALAK)
x=3y
x= 3(3500)
x=10.500 (ANGGUR)
Ibu beli
4kg anggur + 3kg salak
4x+3y?
4x+3y
4(10.500)+ 3(3500)
42.000+ 10.500
=Rp. 52.500
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Penjelasan:
x=anggur
y=salak
x=3y => x-3y=0
2x+5y=38500
ELIMINASI
2x+5y=38500 ×1
x - 3y=0 ×2
2x+5y=38500
2x-6y=0
____________-
11y=38500
y=38500:11
y=3500 (SALAK)
x=3y
x= 3(3500)
x=10.500 (ANGGUR)
Ibu beli
4kg anggur + 3kg salak
4x+3y?
4x+3y
4(10.500)+ 3(3500)
42.000+ 10.500
=Rp. 52.500