Question

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Answer 1

Answer:

$\displaystyle [3, 5]$

Step-by-step explanation:

{8x + 8y = 64

{y = x + 2

8x + 8[x + 2] = 64

8x + 8x + 16 = 64

16x + 16 = 64

- 16 - 16

__________

$\displaystyle \frac{16x}{16} = \frac{48}{16}$

$\displaystyle x = 3$[Plug this back into both equations above to get the y-coordinate of 5]; $\displaystyle 5 = y$

* This is using the Substitution Method.

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