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zlopas [31]
3 years ago
15

18.

Mathematics
1 answer:
Katena32 [7]3 years ago
5 0

Answer:

y = 10

Step-by-step explanation:

y= 2x + 1 \\  x = 5 \:  \\ substitude \: 5 \: to \: the \: value \: of \: x \\ y = 5 \times 2 + 1 = 10 \\

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