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1 mangga = 2000
4 jeruk + 2 mangga = 10000
x = jeruk
y = mangga
3x + 4y = 12500 .... ( semua di kali 5 )
5x + 3y = 13500 ...... ( semua dikali 3 )
......................................................
15x + 20y = 62500
15x + 9y = 40500
..............................- ( dikurang )
11y = 22000
y = 2000
x = 1500
maka 4 jeruk, 3 mangga = 6000 + 6000 = 12000