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4y -3x = 0
4y -3x = 0
4y -3(5 -2y) = 0
4y -15 +6y = 0
4y +6y = 15
10y = 15
y = 1,5
y = 3/2
y = 1 1/2
x = 5 -2y
x = 5 -2(1,5)
x = 5 -3
x = 2
Jadi, selesaiannya adalah {(2, 1 1/2)}.
Itu jawabannya.
-3x+4y=o /x1
3x+6y=5
-3x+4y=0 di +
10y=5
y=1/2
x+2y =5
masukan y ny x+2y =5
x+2(1/2) =5
coret 2 ny jadi x=5