keishalkdndra keishalkdndra

04-06-2016
Mathematics

contestada

Penyelesaian dari sistem persamaan linier dua variabel 5x-y=-8 dan ×+3y=8 adalah

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ANCKPOP ANCKPOP

04-06-2016

5x-y=-8 dan ×+3y=8 *3 {5x - y = -8 *1 {X + 3y = 8 15x - 3y = -24 X + 3y = 8 -------------------- 16x // = -16 x = -16/16 X = -1 *x + 3y = 8 (-1) + 3y = 8 3y = 8 + 1 3y = 9 y = 9/3 y = 3 :)

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