The equation that represents the statement is y = 10 - x
How to determine the equation?
The statement is given as:
x-coordinate plus the y-coordinate always equals 10
Rewrite as:
x-coordinate + the y-coordinate = 10
Further, rewrite as:
x + y = 10
Make y the subject
y = 10 - x
Hence, the equation is y = 10 - x
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