Metode eliminasi dari 3x+5y=11 dan2x+y=-2
Matematika
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Pertanyaan
Metode eliminasi dari 3x+5y=11 dan2x+y=-2
2 Jawaban
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1. Jawaban noviindriani0041
3x + 5y = 11 =| 2 | = 6x + 10y = 22
2x + y = -2 = | 3 | = 6x + 3y = - 6 -
7y = 28
y = 28/7 y = 4
3x + 5y = 11 | 1 | = 3x + 5y = 11
2x + y = -2 | 5 | = 10x + 5y = - 10 -
-7x = 21
x = 21/-7 x = - 3
Jadi HP = {(-3,4)} -
2. Jawaban gunturromadhon
3x+5y= 11
2x+ y =-2
22+6=38
10 -3