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Cara Eliminasi:
2P+3B=1600
3P+5B=2500
6P+9B=4800 |×3
6P+10B=5000 |×2
_____________ _
-1B=-200
B=200
2P+3B=1600
2P+3×200=1600
2P+600=1600
2P=1000
P=500
4P+2B
=4×500+2×200
=Rp2400
(3p+5b = 2.500)2
6p+9b = 4.800
6p+10b = 5.000
b = 5.000-4.800 = 200
2p+3b = 1.600
2p = 1.600 - 3x200
2p = 1.600 - 600
p = 1000 : 2
p = 500
4x500 + 2x200 = 2000 + 400 = 2400