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1x+3y=64000 |*2
2x+5y=60000
2x+6y=128000 -
-1y=68000
y=68000 : 1
=68000
2x+5y=60000
2x+5.-68000=60000
2x+34000=60000
2x=34000-60000
2x=26000
x=26000 : 2=13000
3x+2y
3.13000+2.68000
39000+136000=175000
D jadikan jwbn terbaik yya..semoga membantuu