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Rezolvati in RxR sistemul de ecuatii:
2x=4( y+1.5)-2
y-2x=-10

Răspuns :

Matepentrutoti
2x=4( y+1.5)-2
y-2x=-10=>y=2x-10
2x=4(2x-10+1,5)-2
2x=8x-40+6-2
2x-8x=-40+6-2
-6x=-32
x=32/6=16/3
y=2*16/3-10=32/3-10=2/10=1/5

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