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Triss [41]
3 years ago
14

I neep helpppppppppp

Mathematics
2 answers:
skelet666 [1.2K]3 years ago
7 0

Answer:

D

Step-by-step explanation:

x  = 5 - 2y \\ y = 3(5 - 2y) - 8 \\ y = 15 - 6y - 8 \\ y = 7 - 6y \\ 7y = 7 \\ y = 1

x = 5 - 2y \\ x = 5 - 2 = 3 \\

Ksivusya [100]3 years ago
7 0

Answer:

D is right (there is exactly one soution at (3,1))

Step-by-step explanation:

x+2y=5      

3+2(1)=5

y=3x-8    

1=3(3)-8

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