Penjelasan dengan langkah-langkah:
maka penyelesaiannya nya adalah
c. x = -4 dan y = 5
5x + 2y = -10 |×1
x - 3y = -19 |×5
_ _ _
5x + 2y = -10
5x - 15y = -95
___________ -
17y = 85
y = 85/17
y = 5
5x + 2(5) = -10
5x + 10 = -10
5x = -10-10
5x = -20
x = -20/5
x = -4
Hp = ( x, y ) = ( -4, 5 ) Opsi C.
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Penjelasan dengan langkah-langkah:
maka penyelesaiannya nya adalah
c. x = -4 dan y = 5
5x + 2y = -10 |×1
x - 3y = -19 |×5
_ _ _
5x + 2y = -10
5x - 15y = -95
___________ -
17y = 85
y = 85/17
y = 5
_ _ _
5x + 2y = -10
5x + 2(5) = -10
5x + 10 = -10
5x = -10-10
5x = -20
x = -20/5
x = -4
Hp = ( x, y ) = ( -4, 5 ) Opsi C.