SPLDV metode campuran eliminasi - substitusi
A. 3x-2y-12=0 dan 4x-3y-7=0
A. 3x-2y-12=0 dan 4x-3y-7=0
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3x - 2y = 12 | x 3
4x - 3y = 7 | x 2
9x - 6y = 36
8x - 6y = 14
------------------ (dikurang)
x = 22
di subtitusikan kesalah satu persamaan
4x - 3y = 7
4.22-3y = 7
88-3y=7
3y=7-88
3y= 81
y = 27