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rezolvati sistemul de ecuatii prin metoda reducerii:

5x - 3y = 11
x + y = -1

va rog, urgent

Răspuns :

Teodoramiron1912
5x-3y=11
X+y=-2. => x=-1-y
5(-1-y)-3y=11 => y=2
x=-1-(-2)
X=1


X=1
Y=-2
Kaira12

5x-3y=11

X+y=-2. => x=-1-y

5(-1-y)-3y=11 => y=2

x=-1-(-2)

X=1

Y=-2

Bafta

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