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R-H=12
_______+
2R = 50
R= 25rb.
maaf kalo salah.
heri = y
x+y = 38000
x-y=12000 (eliminasi)
2x= 50000
x=25000
jadi x sebagai rudi..... maka uang rudi 25000
sedangkan uang heri 25000+y=38000
y = 38000-25000
= 13.000