Penjelasan dengan langkah-langkah:
4x+2y = 8
x -2y = 4
x-2y= 4 → ubah menjadi x=4+2y
subtitusikan x
4x+2y=8
4(4+2y)+2y = 8
16+8y+2y = 8
10y = 8-16
10y = -8
y = -8/10
y = -⅘. ← nilai y
untuk nilai x
x -2(-⅘) = 4
x + 8/5 = 4
x = 4-8/5
x = 20/5 - 8/5
x = 12/5
x = 2 ⅖. ← nilai x
Maka HP {x,y} = {2⅖,-⅘)
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Penjelasan dengan langkah-langkah:
4x+2y = 8
x -2y = 4
x-2y= 4 → ubah menjadi x=4+2y
subtitusikan x
4x+2y=8
4(4+2y)+2y = 8
16+8y+2y = 8
10y = 8-16
10y = -8
y = -8/10
y = -⅘. ← nilai y
untuk nilai x
x -2(-⅘) = 4
x + 8/5 = 4
x = 4-8/5
x = 20/5 - 8/5
x = 12/5
x = 2 ⅖. ← nilai x
Maka HP {x,y} = {2⅖,-⅘)