Hey!

Step-by-step explanation:

Based on the problem we have: y = 20 - x

• When x = 8, y = 20 - 8 = 12
• When x = 9, y = 20 - 9 = 11
• When x = 10, y = 20 - 10 = 10

{Just substitute x with 8, 9, and 10}

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