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1b + 3k = 185.000 | x 2 | 2b + 6k = 270.000
-5k = -100.000
k = 20.000
subtitusi > 2b + 1(20.000) = 170.000
2b + 20.000 = 170.000
b + 20.000 = 85.000
b = 65.000
3b + 2k = ?
3(65.000) + 2(20.000) =
195.000 + 40.000 = 235.000