Question

Rezolvati sistemul de ecuatii:
(5x+8 =3(5-y)
4(x+2) = 2(y-2)
(repede va rog)​

Answer 1

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Answer 2

Răspuns:

5x+8=3(5-y)

4(x+2)=2(y-2)

5x+8=3(5-y)

x=-1

5*(-1)+8=3(5-y)

y=-8

solutie (x,y)=(-1,4)