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3A + 2i = 305.000---( x3) 9A + 6i = 915.000 -
- A =-75.000
A = 75.000
3A + 2i = 305.000
3(75.000) + 2i = 305.000
225.000 + 2i = 305.000
2i = 305.000 -225.000
i = 80.000/2 = 40.000
5A + 4i = 5(75.000)+4(40.000)
= 375.000 + 160.000
= 535.000
itik =y
4x+3y=420
3x+2y=305
eliminasi hasilnya
y=40
x=75
5x+4y= 5(75000)+4(40000)
=375000+160000
=5350000
oke trim's