X+3y=4
2x-9y=-7
tentukan nilai 100x+y
plis!!!! tlog djwb yang bnr dan tpt
2x-9y=-7
tentukan nilai 100x+y
plis!!!! tlog djwb yang bnr dan tpt
dahliadhee
X + 3x = 4 X 2 2x - 9y = -7 2x + 6x = 8 2x - 9y = -7 (-) 15y = 15, y = 5 x + 3x = 4, x + 3 X 5 = 4 x + 15 = 4, x = 15 + 4 = 19 100x + y = 100 X 19 + 5 = 1905
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