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3( y + 3) - 5y = 13
<--> 3y + 9 - 5y = 13
<--> -2y = 4
<--> y = -2
x = -2 + 3 = 1
Jawaban: C
3x-5y=13 --> 3x-5y=13
> 2y = -4
y=2
> x-y=3
x+2=3
x=3-2
x=1
jawabannya C.1