Penjelasan dengan langkah-langkah:
SplDV
(Metode grafik)
x + 2y = 9
3x + 4y = 21
menentukan tipod dengan metod substitusi
x + 2y = 9 → x = -2y + 9
3(-2y+9) + 4y = 21
-6y + 27 + 4y = 21
-2y = 21 - 27
-2y = -6
y = -6/-2
y = 3
x + 2(3)= 9
x + 6 = 9
x = 9-6
x = 3
Maka tipod (x,y) = ( 3 , 3 )
note : grafik liat gambar
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Penjelasan dengan langkah-langkah:
SplDV
(Metode grafik)
x + 2y = 9
3x + 4y = 21
menentukan tipod dengan metod substitusi
x + 2y = 9 → x = -2y + 9
3x + 4y = 21
3(-2y+9) + 4y = 21
-6y + 27 + 4y = 21
-2y = 21 - 27
-2y = -6
y = -6/-2
y = 3
x + 2y = 9
x + 2(3)= 9
x + 6 = 9
x = 9-6
x = 3
Maka tipod (x,y) = ( 3 , 3 )
note : grafik liat gambar